In this episode, we look at why the health effects of eggs depend on far more than whether you eat them at all. How many do you eat - one occasionally or several every morning? Do you eat the whole egg or mostly the whites? Are they boiled or fried? Do they arrive with vegetables and wholegrain toast, or with bacon, sausages and butter?

Your wider diet matters too. So do your age, cholesterol response and metabolic health; whether you have diabetes or cardiovascular disease; and even where in the world you live. These differences help explain why some large studies appear reassuring while others link regular egg consumption with greater cardiovascular and mortality risk.

We separate what eggs genuinely offer from what their yolks bring with them, examine why dietary cholesterol never became irrelevant, and ask whether reassuring averages can conceal the risk to an individual listener.

The useful answer lies beyond “eggs are healthy” or “eggs are harmful”. We work through the evidence and arrive at a practical way to decide how often whole eggs belong in your own diet - without turning breakfast into a nutritional battlefield.

Honestly, I dread writing about eggs.

The comments always flood in, and there are usually some raised voices in the mix. Eggs have become a battlefield. Some people have a deep emotional attachment to their morning egg ritual, while others look at the yolk and see a bright yellow cholesterol grenade sitting in the middle of breakfast.

My working life isn’t exactly leisurely, and eggs are one of those foods that can rescue a day without any elaborate meal planning, so part of me hoped the evidence would let me recommend them without hesitation.

However, by the time I finished, I was less comfortable with that reassurance.

The great egg debate is often strident and overly confident. Online, eggs are presented as either dangerous or essential for long-term health. The evidence is far more complicated and highly context-dependent: the implications vary according to who you are, where you live, your age, your cardiovascular and metabolic health, and how your body responds to dietary cholesterol.

Let’s walk through the evidence that led me to my conclusions.

This issue gives you the practical five-minute answer. My full, paywalled Medium articles are usually reserved for paid One Health Tweak a Week subscribers, but I know some of you will want to see the detailed evidence, so I’ve made the complete 21-minute read available to everyone. You’ll find it here.

What eggs genuinely offer

Nutritionally, eggs are very useful. They deliver high-quality protein, all the essential amino acids, and meaningful amounts of choline, B12, iodine, selenium, lutein and zeaxanthin.

They’re one of the best dietary sources of choline, a nutrient many people don’t get enough of. Two eggs can provide 10–30% of several daily vitamin requirements. They’re convenient, accessible and genuinely nutritious.

To understand eggs, it’s important to recognise that the white and the yolk are fundamentally different foods.

Egg white is roughly 88% water, with the rest mostly protein. It contains virtually no cholesterol and almost no fat.

Egg yolk is where the richest micronutrients live: fat-soluble vitamins, choline, lutein, zeaxanthin. But it’s also where almost all the cholesterol sits. A single large yolk contains roughly 185 milligrams of cholesterol.

So, eggs are nutrient-dense, but that doesn’t necessarily mean eating eggs every day for decades is a good idea if you have an eye on your long-term health.

Dietary cholesterol never became irrelevant

About ten years ago, the American Heart Association and the US Dietary Guidelines removed the strict 300 mg/day cholesterol limit. Many people interpreted this as “dietary cholesterol doesn’t matter.” Remarkably, the word “cholesterol” doesn’t appear once in the recently released Dietary Guidelines for Americans 2025–2030.

But the AHA didn’t drop that numerical target because they thought cholesterol was unimportant. Rather, they thought the target didn’t help people make healthy dietary decisions.

Dietary cholesterol raises LDL cholesterol. Researchers estimate that each 100 mg of dietary cholesterol raises blood LDL by 1.9–4.6 mg/dL. The effect is non-linear: the biggest jump occurs with roughly the first 200 mg of added daily cholesterol. Since a large egg contains about 185 mg, that first daily egg lands right in the steepest part of the curve.

What about HDL, the so-called good cholesterol? Eggs can raise HDL as well as LDL, and defenders often point out that the ratio between them may remain similar. That’s important because for a while we thought that the HDL:LDL ratio was more important than your LDL number.

Unfortunately, drugs that substantially raised HDL failed to reduce cardiovascular event. If raising HDL doesn’t lower risk, a preserved ratio isn’t the reassurance we once thought, and that raised LDL comes back into focus.

The more telling marker is ApoB, which counts the atherogenic particles most likely to drive plaque formation in your arteries. A meta-analysis of 66 randomised controlled trials found that egg consumption raises ApoB in a linear, dose-dependent fashion. That means the more eggs you eat, the higher your ApoB.

While LDL cholesterol tells us how much cholesterol is being carried in certain particles, ApoB is closer to a particle count: each atherogenic particle carries one ApoB molecule. Those particles can enter the artery wall and help form plaque, which is why ApoB is now considered a particularly useful marker of cardiovascular risk.

Even the American Heart Association’s 2020 science advisory isn’t as pro-egg as many would have us believe.

It does say that up to one egg daily may be okay for most healthy adults. But it also acknowledges that dietary cholesterol raises LDL, recommends dietary patterns inherently low in cholesterol, and specifically identifies yolks as cholesterol-rich. Given that eggs are the most cholesterol-rich food in the Western diet, there’s an inherent conflict there.

So eggs may be nutritionally dense, but they also provide a concentrated dose of cholesterol with measurable effects on the particles that drive atherosclerosis and cardiovascular disease.

What happens over the long term?

If all this talk of blood markers feels abstract, what happens when researchers follow people for years and count heart attacks, strokes and deaths?

In a landmark study pooling almost 30,000 American adults across six prospective studies, with an average follow-up of 17.5 years, each additional half egg per day was linked to a 6% higher risk of cardiovascular disease and an 8% higher risk of death from any cause.

A key finding was that when the researchers adjusted for dietary cholesterol, the signal disappeared. That suggests cholesterol likely explains much of the egg’s links to cardiovascular disease, and fits with the American Heart Association’s advice to stick to a diet low in cholesterol.

A study of more than 520,000 Americans aged 50–71 found that each half egg per day was associated with a 7% higher risk of premature death from any cause, 7% higher cardiovascular death, and 7% higher risk of dying from cancer. The researchers estimated that the cholesterol in the eggs accounted for roughly two-thirds of the effect.

And a meta-analysis involving nearly 12 million participants found that each daily egg was linked to a 6% higher risk of premature death from any cause, with stronger signals in Americans, people over 60, and studies with at least 15 years of follow-up.

The authors concluded: “Overall, the findings support public health recommendations to moderate egg intake.”

So we’re seeing that in studies with large populations and long follow-up, there’s a dose-response pattern of associations between cardiovascular disease and death and eggs. This finding is replicated across Western populations and is consistent with the LDL and ApoB evidence. It’s hard to ignore that.

We’re never going to have a 30-year trial assigning thousands of people to daily egg yolks, so longevity decisions must sometimes be made before evidence reaches that impossible standard.

Why some studies look reassuring

Not every large study finds harm.

A US-based study of more than 215,000 health professionals found no greater cardiovascular risk with up to one egg daily. Chinese studies of more than 461,000 adults have even linked daily eggs to better outcomes.

So, why don’t these reassure me?.

The US health-professional study participants skew healthier than average, and very few ate one egg or more every day. They don’t necessarily represent the population as a whole.

In Chinese studies, higher egg consumption tends to mark higher income, better education, urban living and a more varied diet: the opposite of Western patterns, where people who eat more eggs tend to have higher BMI, eat more processed meat, exercise less and smoke more. The highest-intake group in the large Chinese study averaged just 0.76 eggs per day, and people with diabetes were excluded - they’re some of the people with the highest risk of egg-related cardiovascular disease.

When you combine Western studies (where eggs consistently trend towards harm) with Asian studies (where they trend towards benefit), the average can come out looking neutral. That may be mathematically correct, but it’s not helpful for someone in Colorado or Xian wondering what to have for breakfast.

Meal context matters too. A boiled egg isn’t the same as a fried egg with bacon. But even among people following a healthy diet, the link between higher egg intake and worse outcomes persisted. A healthy overall diet didn’t appear to fully cancel the risk.

So, context and individual biology matter, and quoting global average effects is unhelpful. This newsletter would come to very different conclusions if it were written for readers in, say, Thailand, vs the US and Western Europe.

Uncle Bob and the problem with averages

It’s pretty common in the comments for somebody to tell me about an uncle who ate three eggs every morning and lived into his eighties.

Uncle Bob’s experience may be entirely genuine. But it tells you how Uncle Bob responded, not how you will.

We don’t all handle dietary cholesterol in the same way. In a study of older adults, researchers gave participants three large eggs a day for a month and measured what happened to their blood cholesterol.

Some people saw large increases in total cholesterol. Others barely changed, or even decreased. Mathematically, if you average the group, it looks like nothing happened.

But roughly 15–20% of people are hyper-responders, hidden inside that reassuring average. The practical problem is that most of us have never measured LDL or ApoB before and after changing our egg intake, so we have no idea how we respond to the cholesterol in the eggs we eat.

Uncle Bob may simply have been at the reassuring end of this graph.

Who should be especially cautious?

The case for restraint is stronger if you have type 2 diabetes, established cardiovascular disease, raised LDL or ApoB, metabolic syndrome or hypertension.

People with type 2 diabetes. In one large US study, each daily egg increased cardiovascular disease risk by 25% in people with diabetes. Higher egg consumption is also linked to a higher risk of developing type 2 diabetes in US populations: 18% higher per daily egg. If you have type 2 diabetes and eggs feature prominently in your diet, please talk to your doctor or dietitian.

People with cardiovascular disease, high LDL, high ApoB, metabolic syndrome or hypertension. You have less margin for avoidable risk. Egg whites, yogurt, legumes, fish and nuts can fill the protein gap without bringing the same yolk cholesterol load.

Older adults. Older adults face a genuine trade-off. They need enough protein to protect muscle, strength and independence, and eggs are convenient. But convenience doesn’t make yolks the best daily protein source, particularly as cardiovascular risk rises with age.

Eating one to six eggs per week was associated with lower mortality in one study of over-70s, while a meta-analysis, found a 10% higher risk of dying from any cause in those who ate the most. Taken together, these findings don’t suggest that older adults need to avoid eggs, but they also don’t support relying on yolks as a principal protein source.

It’s worth remembering that you can take advantage of all the egg’s protein without the cholesterol by only eating the whites.

Where I land

Having reviewed the evidence, I don’t believe that daily egg yolks are a good idea for most people concerned about long-term health and longevity.

That isn’t the same as saying you should never eat them. An occasional whole egg is unlikely to be a major concern for most otherwise healthy people, and some can eat several every day and remain apparently healthy (hello, Uncle Bob!). And let’s not forget, eggs provide useful nutrients.

But you can’t ignore the fact that whole eggs raise LDL and ApoB levels, both linked to cardiovascular disease. Nor can you ignore the associations between eggs and cardiovascular disease and premature death seen repeatedly in Western studies. Add the higher risks in vulnerable groups, and the fact that vanishingly few of us know how our biochemistry responds to dietary cholesterol, and I’m just not comfortable recommending yolks as an everyday food.

Egg whites are materially different because they don’t carry the same cholesterol load. I have no such concerns about egg whites.

For myself, I keep yolks to around 2 per week, often fewer. That’s my own cautious decision after weighing uncertain benefits against an avoidable risk signal. I prefer to get my protein from foods that don’t bring along all that cholesterol.

As always, your responses are anonymous, but they really help me tailor future content to what’s most helpful to you. Please take a moment to click a button.

HEALTH TWEAK OF THE WEEK

Whole eggs are nutritious, but their yolks provide a concentrated dose of cholesterol that raises LDL and ApoB in controlled trials, while several large Western studies associate higher egg consumption with higher risks of cardiovascular disease and premature death.

The occasional egg is fine, but it seems wise not to treat yolks as an everyday protein source.

If long-term health and longevity are your priorities, enjoy whole eggs occasionally, use egg whites freely, and choose other protein-rich meals most of the time.

What that looks like depends on where you’re starting:

1. Make whole eggs an occasional food

If you currently eat eggs every day, don’t simply reduce 2 or 3 yolks to 1 and assume the problem is solved. Begin replacing most of those meals. Use egg whites when you still want the convenience of eggs, and rotate in other protein-rich options like yogurt with nuts, oats with seeds, tofu with vegetables, or beans with whole grains.

2. Change the rest of the breakfast, too

For most meals, the better option is neither daily yolks nor bacon, sausages and other processed meats. If your eggs usually come with butter, fried bread or processed meat, move the whole meal towards foods that support long-term health rather than removing one concern and leaving the others untouched.

3. Be more cautious if your cardiovascular risk is already raised

If you have type 2 diabetes, cardiovascular disease, high LDL or ApoB, metabolic syndrome or hypertension, regular yolks are even harder to justify. The harmful associations are stronger in these groups, so it’s sensible to favour egg whites and other protein sources and discuss any substantial dietary change with your doctor or dietitian.

4. Keep occasional eggs in proportion

If you’re otherwise healthy and enjoy Eggs Benedict on a Sunday morning, relax. An occasional whole egg is unlikely to be a major influence on how long or how healthily you live.

The concern is the habit, not the isolated breakfast: enjoy whole eggs occasionally, but let egg whites and other protein-rich foods carry most of the weekly load.

🎧 Prefer to listen while making breakfast and wondering whether the eggs are helping or harming you?

🎙️ This week’s One Health Tweak a Week podcast is about eggs, dietary cholesterol, and whether whole eggs deserve a regular place in a longevity-focused diet.

You’ll hear:

• Why egg whites and egg yolks need to be treated as nutritionally different foods

• What controlled trials show about dietary cholesterol, LDL cholesterol and ApoB

• Why long-term studies from Western and Asian populations often appear to reach different conclusions

• Why some people can eat several eggs a day with little apparent effect, while others may experience substantial rises in cholesterol

• How to decide whether eggs should be an occasional pleasure, a regular habit, or something you approach more cautiously

👉 Ideal for your next walk, commute, or while standing in the kitchen wondering how the same omelette became dangerous, healthy and dangerous again within the space of a few decades.

👉 Listen now!

(Episodes are free for now. Paid subscribers support the deeper research, and the practical tools I’m building to help you act on what you learn, rather than simply collect another interesting health fact.)

🧭 Before you go

💬 How often do whole eggs turn up in your week?
And has the changing advice about cholesterol altered how you think about them?

Leave a comment

📤 Know someone who eats eggs every day for protein, or someone who has completely lost track of whether eggs are supposed to be healthy this decade? Send this their way.

Share

👥 Paid corner – Unsure how the evidence applies to your own diet, cholesterol results or protein needs? Drop me a note in our private chat, and we can think through where eggs fit alongside your other regular meals and risk factors.

Until next Saturday, may your breakfasts be satisfying and your nutritional advice stay consistent for at least long enough to finish the washing-up.

– Ben

It’s clear from your comments and questions that many of you are focused on protein right now.

And rightly so. If you’re over 50, keeping your protein intake up is one of the most evidence-backed things you can do to protect muscle, strength and independence as you age.

If you’re younger, the message is a little different: you probably don’t need to chase ever-higher protein targets. But the question of where your protein comes from still matters.

Because here’s what happens once protein is on your radar: you naturally reach for more of the obvious sources.

More eggs at breakfast. More chicken at lunch. More cheese because it’s easy. More ham, sausages, steak, burgers, or protein bars.

What if that instinct, while solving one problem, is quietly working against you on another? What if two people can eat the same amount of protein, yet end up with very different long-term outcomes depending on where that protein comes from?

That’s the question a growing stack of large, long-running studies is now able to address. And the findings are remarkably consistent: keeping protein high while shifting some of it from animal sources towards legumes, soy foods, nuts, seeds and whole grains is associated with a meaningfully lower risk of dying prematurely.

And that’s where the 18g protein swap comes in handy.

The good news? You don’t need to go vegan. You don’t even need to overhaul your diet. You may just need to swap one serving a day.

I’m writing about this because the protein conversation has become a bit lopsided. We’ve got much better at asking “how much?”, but we’re still not asking “from what?” often enough.

Let me show you why I think this is important.

Same protein, different outcomes

Let’s start with a study that makes the core point vividly.

Researchers followed more than 81,300 American adults for about 10 years. Those eating the most protein from meat had a 61% higher risk of dying from cardiovascular disease. Those eating the most protein from nuts and seeds had a 40% lower risk.

That’s after adjusting for the usual demographic and socioeconomic factors. Same nutrient. Very different outcomes.

Look at the divergence. The meat-heavy group moves steadily upward - an increasing risk of dying from cardiovascular disease. The nut-and-seed group moves in the opposite direction.

That matters because most protein advice stops at the first half of the sentence.

“Get enough protein.”

Fine. But from what? The answer to that question clearly matters.

The broader signal

Is this a one-off finding? Far from it.

In a Dutch study of almost 7,800 adults followed for an average of 13 years, those with the highest consumption of animal protein had a 28% higher risk of dying from cardiovascular disease and an 18% higher risk of premature death from any cause. Those getting the most plant protein had a 10% lower risk of premature death from any cause.

The same researchers then pooled results in a meta-analysis of 11 prospective studies involving more than 350,000 participants. The pattern held: those eating the most animal protein had a 9% higher risk of dying from cardiovascular disease, while those eating the most plant protein had a 14% lower risk.

And this isn’t unique to Western diets. In a Japanese study, more than 70,600 adults were followed for 18 years. Those eating the most plant protein had a 13% lower risk of premature death from any cause and a 16% lower risk of death from cardiovascular disease.

Three countries, hundreds of thousands of people, different dietary cultures. The direction of travel is the same.

Across large populations, higher animal-protein patterns tend to look worse for long-term cardiovascular and mortality outcomes, while higher plant-protein patterns tend to look better.

The 18g swap

So the signal is consistent. But how much do you actually need to shift?

The most useful study for everyday decision-making followed more than 410,000 American adults, average age 62, for more than 16 years.

The researchers estimated what happened when people replaced some protein from animal sources with protein from plant sources. Their practical anchor was 18g (0.6oz) of protein per day.

Replacing 18g/day of animal protein with plant protein was associated with a 10% lower risk of premature death from any cause.

To be clear, 18g refers to pure protein content, not the total weight of the food. In practical terms, it’s the amount of protein you’d get from roughly:

• 80g / 2.8 oz of chicken breast, steak or hamburger patty

• 150g / 5.3 oz of sausage

• 3 large eggs

Swapped for the equivalent protein from:

• 80g / 2.8 oz of peanuts

• 230g / 8 oz of kidney beans

• 76g / 2.7 oz of lentils

• 90g / 3.2 oz of tofu

That’s about one main-meal protein serving. Not a total diet conversion: a single swap a day.

In real-world terms, it could look like a lentil curry instead of grilled chicken, a tofu stir-fry instead of steak, or beans or peanut butter on wholegrain toast instead of scrambled eggs. Or, if you prefer a simpler approach, going plant-protein-led for three days a week would get you to a similar place.

What you swap out matters

Not all animal-to-plant switches are equal.

In the large American study above, the estimated benefits differed depending on what animal protein was replaced. The greatest benefits came from switching from eggs to plant protein, followed by red meat, then dairy, then white meat such as poultry and fish.

The egg result might surprise you. Eggs are often attached to broader breakfast patterns: bacon, sausages, white toast, butter, and hash browns. Eggs are complicated, and we’ll look at them in more detail next week.

Still, the result is a useful warning against making eggs your automatic high-protein answer to everything.

An earlier study of more than 131,000 American adults followed for up to 32 years found a similar pattern.

Swapping 18g of protein from processed meat to plant protein was associated with 34% fewer premature deaths from any cause and 39% lower deaths from cardiovascular disease. Eggs came next (19% lower all-cause mortality), then red meat (12% lower all-cause mortality, 17% lower cardiovascular mortality). Switching from white meat and dairy provided smaller, though still positive, effects.

The Japanese data tell the same story. Switching 18g of protein from processed meat to plant protein was linked to a 46% lower risk of death from any cause. From red meat, 34% lower. From poultry, 18% lower.

The priority order is fairly clear: processed meat first, then red meat, then probably eggs, particularly if eggs have become your automatic high-protein answer. Modest amounts of fish, poultry and yogurt look far less concerning - though battered and fried fish is not the same as oily fish like salmon or mackerel.

Not just a Western pattern

It’s worth pausing on that Japanese study, because it strengthens the argument considerably.

Japan’s dietary culture is very different from the US or Europe: different cooking methods, different staple proteins, different baseline intake patterns. Yet the direction of the association is the same.

When a finding holds across populations with fundamentally different diets, it becomes harder to dismiss the whole thing as one dietary culture behaving oddly.

What about older adults who need more protein?

This is the question I know many of you are asking. If you’re older and working to preserve muscle, how do you balance getting enough protein with shifting away from animal sources, especially when plant proteins tend to be less protein-dense?

Fair concern. And the evidence here is actually reassuring.

A study of adults aged 60 and over from Spain and Sweden found that those consuming the most protein, around 1.6g/kg/day, had a 49% lower risk of dying from any cause over 10 years. That confirms the importance of keeping protein intake high as we age.

But when the researchers compared protein sources, both animal and plant protein were associated with lower mortality, but plant protein showed the stronger association: 31% lower risk of dying, compared with 26% for animal protein.

This wasn’t a vegan-versus-omnivore comparison. Most people were eating both. The message isn’t “avoid animal protein.” It’s that even in older adults, getting a meaningful proportion from plant sources may offer an added edge.

There is, however, one complicating study worth mentioning. Italian researchers followed 1,139 older adults with an average age of 75 for 20 years. In this cohort, higher animal protein was associated with lower mortality, while plant protein showed no effect.

Odd? A bit. But the context helps explain it. Most of the plant protein in this study came from cereals, with very little from legumes, nuts, fruit or vegetables. In other words, the “plant protein” here was mostly white bread and pasta, not the protein-rich plants we’re discussing. And despite processed meat and dairy making up half of the animal protein, animal protein still looked protective: probably because getting enough protein of any kind matters enormously when you’re 75 and at risk of muscle wasting.

So I wouldn’t use that study to argue that older adults should pile into processed meat and ignore plants.

My reading: for older adults, getting enough protein is the first priority. A daily intake of around 1.2 to 1.6g/kg/day looks sensible for most people in that group. But once that need is covered, getting a significant proportion from genuinely protein-rich plant sources likely offers added long-term benefits.

Why plant protein may bring extras

It’s worth briefly noting why the protein source might matter independently of the protein itself.

Protein-rich plant foods tend to bring fibre, unsaturated fats, minerals and polyphenols along for the ride. When you eat lentils, you’re not just getting protein: you’re getting a delivery vehicle for a range of compounds associated with better metabolic and cardiovascular health.

Red and processed meats, on the other hand, may bring salt, saturated fat, haem iron, nitrites and nitrates, and compounds formed during high-temperature cooking. The protein is the same. The passengers are not.

A note on the evidence

One important caveat: all of the key studies described here are observational. Nobody locked 350,000 people in a metabolic ward and assigned them to Team Lentil or Team Sausage for a decade, and I suspect the ethics committee would have questions if they tried.

The studies can’t prove that swapping protein sources itself caused the lower risk. People who eat more plant protein may differ in other ways: they may exercise more, smoke less, or have healthier diets overall. Researchers adjust for these factors, but residual effects are always possible.

What makes the signal compelling is not any single study, but the consistency across populations: American, Dutch, Japanese, Spanish, Swedish. It’s the same pattern in each.

That consistency, combined with plausible mechanisms and the very low cost of the behaviour change, makes a modest protein swap look like a pretty reasonable bet.

What this means for your health

The evidence here isn’t telling you to eat less protein. Getting enough protein matters more as you age, not less.

The signal isn’t “never eat animal protein”.

It is more specific and more useful: the long-term risk profile looks better when a meaningful portion of your protein comes from plants, especially when those plants replace processed meat, red meat and egg-heavy meals.

What the research suggests is that once you’re meeting your protein needs, the mix matters. A daily shift of about 18g, roughly one main-meal serving, from animal to plant protein is repeatedly associated with lower risk of dying prematurely across large, long-running studies in multiple countries.

If your breakfast protein currently arrives smoked, cured, sliced, or with a small plastic tab, that’s probably the first place to look.

And to be clear: we’re talking about whole, protein-rich plant foods here: lentils, beans, chickpeas, tofu, tempeh, edamame, soya yoghurt, nuts, seeds, nut butter, hummus and whole grains. Not ultra-processed plant-based meat substitutes, and not just “eating more vegetables” and hoping that covers your protein needs. Plant proteins can be less protein-dense and sometimes less digestible than animal proteins, so choosing deliberately matters.

As always, your responses are anonymous, but they really help me tailor future content to what’s most helpful to you. Please take a moment to click a button.

HEALTH TWEAK OF THE WEEK

Getting enough protein matters, especially as we age. But the right target depends on who you are.

If you’re in midlife or older, the goal is usually to keep protein intake high enough to protect muscle, strength and independence. If you’re younger, the goal probably isn’t to keep pushing protein higher and higher. Either way, the source matters.

Swapping just 18g/0.6oz per day of animal protein for plant protein is repeatedly associated with around 10–14% lower premature deaths across multiple large cohorts.

The biggest estimated benefits come from replacing processed meat first, followed by red meat and eggs: fish, poultry and yogurt are lower priority.

Here’s how to take advantage of those findings to boost your chances of a longer, healthier and independent life.

1. Make one plant-protein swap each day. Replace one serving of meat, eggs or cheese with a genuine plant-protein option: lentils, beans, chickpeas, tofu, tempeh, edamame, soya yogurt, hummus, nuts, seeds, peanut butter or whole grains. One swap covers roughly 18g of protein: that’s a lentil curry instead of chicken, tofu stir-fry instead of steak, or peanut butter on wholegrain toast instead of scrambled eggs.

Or, if you’d prefer, choose 3 plant protein days each week. On those days, keep protein high across meals, and let plants do most of the work: soy yogurt at breakfast, hummus or beans at lunch, lentils, tofu, tempeh or chickpeas at dinner.

2. Start with the highest-value targets. Processed meat is the priority swap. Red meat comes next. If eggs have become your go-to high-protein answer at every meal, it’s worth mixing things up. Modest amounts of fish, poultry and yogurt are less concerning and don’t need to be the first thing you change.

3. Don’t accidentally follow the wrong protein advice. The goal isn’t a lower-protein diet, but it also isn’t “more protein at any cost”. If you’re older, or actively trying to protect muscle, aim to meet a proper daily protein target: often around 1.2g/kg/day or more, depending on your health, size, activity and goals. If you’re younger and already eating enough, don’t chase extra protein for its own sake. Make the better move: keep protein adequate, then shift more of it towards beans, lentils, chickpeas, soy foods, nuts, seeds and whole grains. Plant proteins can be less protein-dense, so choose deliberately rather than just adding extra salad.

Think of this as the second layer of protein advice.

Layer one is getting enough, especially as the decades pass. That helps protect muscle, strength and independence.

Layer two is improving the mix. Keep your protein intake high, but let more of it come from beans, lentils, chickpeas, soy foods, nuts, seeds and whole grains.

Whether you’re building strength now, protecting it in midlife, or trying to stay independent for as long as possible, this is the next upgrade: better protein variety.

Enough to support your body now.

Varied enough to support your health for the long run.

🎧 Prefer to listen while opening a tin of chickpeas with new seriousness?

🎙️ This week’s One Health Tweak a Week podcast is about why getting enough protein matters, why protein source matters too, and how one daily animal-to-plant protein swap is linked with better long-term health.

You’ll hear:

• Why large, long-running studies suggest two people can eat the same amount of protein but have different long-term outcomes depending on where it comes from

• Why the most useful swap may be modest: around 18g of animal protein replaced with plant protein each day

• Why the biggest likely benefits come from replacing processed meat, red meat and egg-heavy meals, rather than worrying first about fish, poultry or yogurt

👉 Good company for your next walk, commute, or while wondering whether lentils have been unfairly overlooked in your life until now.

👉 Listen now!

(Episodes are free for now. Paid subscribers support the deeper research - and unlock practical tools to help you improve your health without turning it into a second job.)

🧭 Before you go

💬 What’s your easiest plant-protein swap this week: beans, lentils, chickpeas, tofu, tempeh, soy mince, or something else entirely? I’d love to hear what feels realistic, and what usually gets in the way.

Leave a comment

📤 Know someone who’s trying to eat more protein but mostly reaching for eggs, chicken, cheese, ham, sausages, steak or protein bars? Forward this to them. Getting enough protein matters, but the mix may matter more than many of us realise.

Share

👥 Paid corner - Want help turning “I should probably eat more plant protein” into something that fits your actual breakfasts, lunches and dinners? Drop me a message in our private chat, and I’ll help you think through a realistic first swap.

Until next Saturday - keep protein high enough for the body you’re building now, and varied enough for the health you want later.

– Ben

That matters, especially in midlife and later life, when maintaining muscle, strength and independence becomes increasingly important. But there’s another question that gets far less attention: where is that protein coming from?

In this episode of One Health Tweak a Week, we look at the evidence behind the 18g protein swap: replacing roughly one daily serving of animal protein with plant protein. Across several large, long-running studies, that kind of shift is linked with a lower risk of dying prematurely, especially when plant proteins replace processed meat, red meat and egg-heavy meals.

This isn’t an argument for going vegan, and it isn’t anti-protein advice. For older adults, getting enough protein remains a priority. For younger adults, the message is a little different: don’t necessarily chase ever-higher protein targets, but do pay attention to the mix.

We’ll look at why the protein source matters, which swaps offer the greatest likely benefit, and how to add more beans, lentils, chickpeas, tofu, soy foods, nuts, seeds, and whole grains without accidentally cutting your protein intake.

The upgrade is simple: eat a better protein pattern

I’ll be honest: there are times I enjoy a good browse around the grocery store, looking for something new to try, and briefly imagining the exciting meals I might prepare if I bought the jar of fermented chilli paste.

But most weeks, I just want to get in and out before I accidentally buy three different kinds of crackers and artisanal cheese from caves in northern Greece.

The grocery store, however, prefers the first version of me.

That matters because grocery shopping isn’t a rare event. The average American shopper reportedly makes 83 supermarket trips each year, Brits make 130, while French, German and Italian shoppers make about 180. Each trip may feel ordinary, but together they shape the food environment we live in.

And since what we eat day today depends heavily on what’s sitting in our kitchens, those trips are where the real dietary decisions get made. Not at the dinner table. Not while reading a nutrition article. At the grocery store, half-distracted, slightly hungry, with a shopping cart that seems to have a mind of its own.

So this week, I want to look at what happens between the healthy shop we intend to do and the food environment we actually create for the rest of the week - with a little help from the grocery store.

To make that less abstract, let’s follow Helen.

Helen is a midlife woman shopping for herself and her partner. She’s not dieting. She’s not trying to be perfect. She simply wants a reasonably healthy week: fruit in the bowl, yogurt in the fridge, vegetables for dinner, eggs, milk, bread, lunch ingredients, something quick but decent for evening meals, and fewer cookies than last week.

She walks in with a list. A list written on the back of an envelope that also contains half a phone number and a doodle of her cat.

By the time Helen leaves, the healthy shop is still there, plus blueberry muffins (they looked better than cake), three-for-two family bags of potato chips, a “gut health” granola bar, nachos and salsa for a movie night that didn’t exist twenty minutes ago, a seasonal aisle-end treat, and one item she tasted as a free sample.

The healthy shop is still in there. It’s just come home with company.

How did that happen?

The store changes what Helen notices

It starts before Helen has bought anything.

She picks up a shopping cart. It is bigger than her list needs, because carts usually are. A half-empty shopping cart has a strange effect. It makes the planned shop look small. It gently suggests there’s room for lots more.

Then comes the entrance.

This is the decompression zone, designed to slow her down, shift her out of car-park mode, and set a tone. Fresh produce isn’t here because it’s the logical place for it (delicate items at the bottom of a cart is objectively a bad idea). It’s here because it creates a feeling: this is a wholesome place, full of good food.

This isn’t necessarily bad. If Helen buys more fruit and vegetables, excellent. There’s good evidence from a University of Southampton partnership with the supermarket chain Iceland that changing grocery store placement can nudge healthier purchasing: when fruit and vegetables were expanded near the entrance, and checkout and aisle-end confectionery was replaced with non-food items and water, fruit and vegetable sales rose while confectionery sales fell.

The environment can help.

But it can also lead us astray.

Helen adds apples, salad, broccoli and berries. The trolley now looks wholesome. She feels like the shop is going well, because it is. The problem is that an early burst of virtue can make later, less healthy additions feel less consequential, even deserved.

Our brains keep a moral ledger. If we do something virtuous, that makes it much easier to justify a less virtuous decision a little later.

This is where grocery stores become so effective. They rarely need to persuade us to abandon our intentions completely. They only need to add a second list to the one we brought in.

Helen heads for the essentials. Milk, eggs, bread, yogurt, dinner ingredients. Unfortunately, the essentials aren’t arranged in one convenient “people who want to get in and out” zone. They’re scattered. The path to milk, eggs and bread has a yellow-brick quality: scenic and winding.

This is one of those things I used to think was simply bad layout.

Like when I found myself looking for canned coconut milk. I found three different brands shelved in three different aisles: one in world foods, one in home baking, and one in the free-from section.

That’s not poor organisation. For the store, the layout is doing exactly what it’s supposed to do. Every extra aisle I wander down is another set of products I wasn’t planning to see. And just when you’ve finally learned where everything lives, they rearrange the store. The longer you spend searching for the eggs that moved two aisles to the left, the more things you pass, and the more likely something is to land in the cart.

Helen has the same experience. She goes in for a normal shop and finds herself on a tour. Just when she thinks she knows where everything lives, the store pulls her back into the aisles.

Then the bakery smell hits. Warm bread, maybe cinnamon. Some stores pipe the exhaust from their baking ovens into the ventilation system. Others use commercial scent diffusers. It doesn’t matter which. Warm bread doesn’t smell like a rational purchasing decision. It smells like childhood bakeries, weekend mornings and the kind of relaxed life we aspire to.

Then there are the aisle ends.

We’re so accustomed to seeing “specials” on end displays that we’re around 30% more likely to buy something from one than from the middle of the aisle. Products don’t even need to be discounted. Put something on an end display and label it “Pick of the Week”, and most of us assume it’s a deal. Helen pauses at a seasonal display. A marinade and some halloumi land in the trolley.

They were on nobody’s list.

UK policymakers have recognised that certain spots in the store are impulse hotspots. Since 2022, larger stores have been restricted from placing foods high in fat, sugar, or salt at entrances, aisle ends, and checkouts. But plenty of less-than-healthy products still find their way into prominent positions.

The store changes what Helen reaches for

Placement matters because shopping isn’t a series of fully conscious decisions. Much of it is noticing, reaching, comparing, and moving on.

Premium products are often placed around chest-to-waist height, where they’re easy to see and easy to grab. Cheaper or larger packs may be lower down. In the cereal aisle, bright packages aimed at children typically appear lower, where children can see them and begin their important work as junior brand ambassadors.

Helen doesn’t have young children with her, but she still notices the theatre of it. A small child nearby has spotted a cartoon tiger, and is making a case for its essential nature to his tired-looking mother.

The adult version is more subtle.

Helen sees “this week’s specials”. She sees attractive displays. She sees foods presented as timely, seasonal, limited, improved, or new. Suppliers may pay for prominent placement, which is worth keeping in mind. Sometimes it’s there because someone paid for that stretch of visual real estate.

The store changes what Helen justifies

Helen is still trying to have a healthy week. She’s not throwing frozen doughnuts into the shopping cart while muttering, “We all die eventually.”

She’s making small, familiar bargains with herself.

She passes the bakery display. She doesn’t need cake. She knows she doesn’t need cake. But those blueberry muffins have a lot less fat and sugar than the double chocolate gateau sitting next to them.

This is true and also completely unhelpful. Many things are better than cake. That doesn’t make muffins good for you.

The comparison that matters is blueberry muffin versus no blueberry muffin. But standing in front of both, that isn’t the comparison that presents itself. In goes the pack of muffins, feeling to Helen like a victory of restraint.

Further along, she spots a granola bar in a matte beige box with a leaf on it. “Gut health,” it says. “With 10g of protein and plant fibre.” It looks like something a nutritionist would approve of. It is, in fact, an ultra-processed snack with a long ingredients list. But the packaging has done its work.

Products labelled “high protein,” “plant-based,” “natural,” “no added sugar,” or “immune support” create a health halo that’s remarkably effective on exactly the shoppers who are trying hardest.

The cartoon tiger catches children. The beige box with the leaf catches us.

Then the supermarket invents an occasion.

A display suggests movie night. Nachos, salsa, dips, perhaps something fizzy. Helen had no movie night when she entered the shop. She had Thursday. But it sounds lovely, and now the nachos and salsa are in the trolley and the evening is taking shape around them.

This is another of the tricks of retail: it doesn’t just sell products, it sells scenarios. Game night. Romantic night in. Halloween supper. Summer barbecue. Cosy winter evening. The product is no longer a packet of something ultra-processed and salty. It is a little lifestyle upgrade.

A little further on, a friendly person at a tasting stand offers Helen a sample of a new chutney. She likes it. She wasn’t planning to buy chutney. But someone just gave her something for free, which triggers an involuntary sense of obligation. She doesn’t want to be rude. The chutney joins the nachos.

And then the three-for-two family bags of potato chips. They feel like good value because the per-bag price drops nicely. She and her partner like potato chips. Three bags is a lot, but they won’t go to waste.

They certainly won’t. That’s the problem.

Back in 2009, the Wharton Business School estimated that 60 to 70 percent of purchases were unplanned.

Helen isn’t unusual. She’s typical. The store is designed for exactly this.

Value isn’t always value

There’s a cost-of-living reality here, which we shouldn’t skip over, especially now.

For many households, offers matter. Unit pricing matters. Bulk buying can help. A reduced-price dinner ingredient may be genuinely useful. A grocery store that helps someone put decent meals on the table for less is doing something valuable.

The problem is when “value” means buying extra food we didn’t intend to buy, especially food we don’t want to eat in extra quantities.

A 3-for-2 offer is only good value if we actually want three. A large pack is only economical if the larger amount helps rather than haunts us. A marked-down treat is still a treat in the cupboard. “This week’s special” may be a bargain, or it may just be masquerading as one.

Price comparisons can be awkward too. One apple is priced per item, another per kilo. One cereal has a loyalty price, another has a larger pack, another has a “Great Value” sticker that may or may not be doing anything useful, and loyalty-scheme gamification (just $4.50 more and you’ll hit your points target!) all nudge spending in directions that serve the store far more than the shopper.

By this point, Helen has been in the shop long enough that comparing per 100g prices feels less like sensible household management and more like sitting an exam. She just wants to get home.

So she chooses using the path of least resistance. We all do.

The point isn’t that every offer is a trap. It’s that health and budget both suffer when the basket fills with unplanned extras that seemed like good value in the store and become easy defaults at home.

The supermarket follows Helen home

Helen pays. She loads the car. She unpacks at home. The fruit goes in the bowl, the yogurt goes in the fridge, the vegetables go in the crisper drawer. So far, so good.

The potato chips go in the cupboard - more accurately, they fill it. They’ll need to be eaten to make room. The muffins go on the counter. The nachos go next to the pasta.

The grocery store’s job ended at the checkout. But the kitchen environment is just getting started.

It’s Tuesday evening. Helen is tired. Dinner is running late. She opens the cupboard for something quick and sees three family bags of crisps before she sees the lentils. She has a muffin with her tea because it’s there, and it would be a shame to waste it. The gut-health granola bar becomes a desk snack, eaten without much thought. The nachos and salsa appear on Wednesday, because the salsa has a short date and, well, movie night.

None of this is catastrophic. A few muffins and some potato chips won’t ruin anyone’s health. Helen shouldn’t live in a house containing only lentils, carrots and self-denial.

But the pattern matters. This isn’t one week. It’s 130 shops a year.

Each time, a list arrives at the store, and a slightly different week’s eating comes home. Over months, the unplanned extras become the background hum of the household diet: the snack you reach for because it’s there, the treat that restocks itself before it’s questioned, the “healthy” bar that turns out to be a cookie in a greener wrapper.

The supermarket changes what you buy today. Your cupboards change what you eat for the rest of the week.

Healthy eating is much easier when the healthier choice is what the house offers you.

HEALTH TWEAK OF THE WEEK

Grocery stores are carefully designed to shape what you notice, what you reach for, and what you justify.

That doesn’t make you gullible for falling for it. It makes you a human shopping in an environment built by people who’ve studied human behaviour for decades.

The aim is not to shop perfectly. It’s to notice when the store is trying to add its own list to yours. A good shop is one that makes the rest of the week easier, especially when your future self is tired, hungry, busy, or less noble than your Saturday-morning self imagined.

So, here are a few suggestions to arm you against the grocery store’s behavioural nudges.

1. Write the list before you enter the shop: A list isn’t just a memory aid. It’s a defence against the grocery store writing part of the week’s menu for you. Include the ordinary things that make healthy meals happen: fruit, vegetables, yogurt, milk, bread, pulses, fish, chicken, tofu, lunch ingredients, or whatever your usual staples are. A vague intention to “get healthy things” is much easier to hijack than a specific list.

2. Choose the basket or trolley size that fits the list: A large shopping cart makes a reasonable shop look strangely inadequate. If you only need a few things, use a basket. If you need a trolley, notice the empty-space effect before it starts whispering that there’s room for a few more snacks. Maybe fill it with your jacket.

3. Buy planned treats, not ambush treats: Treats are part of normal life. The problem is the treat you never wanted until it appeared at the exact point your concentration had started to fade. If you want cookies, buy the cookies you actually like, in the amount you actually want in the house. That’s very different from collecting random “specials” because the grocery store staged a small diorama near the aisle end.

4. Treat aisle-end offers as adverts, not recommendations: An aisle-end display is not your grocery store kindly pointing out what your household needs. It’s advertising. Pause before adding it. Ask: was this on my list, is it genuinely good value, and do I want this amount in my kitchen?

5. Be sceptical of health-halo packaging: If a snack says “high protein” or “gut health” in a tasteful green box, flip it over and read the ingredients. Would you buy it in a plain wrapper?

6. Don’t bulk-buy foods you don’t want to eat in bulk: A large pack of oats, lentils, frozen berries or Greek yogurt may make the week easier. Three family bags of nacho chips may also make the week easier, just in the wrong direction.

7. Use online favourites or repeat baskets if they help: Online shopping has its own nudges, offers and checkout prompts, so it’s not magic. But for staples, a saved favourites list or repeat basket can reduce wandering, impulse buying and “how did that get in there?” moments.

8. Check unit pricing when cost matters: If money is tight, unit pricing can help you avoid fake bargains. Compare per 100g, per pound, or per litre where possible. If the supermarket makes that awkward, it might be worth asking why

9. Don’t shop hungry: It sounds obvious, but it materially changes what ends up in the trolley. Even a banana before you leave the house helps.

10. Use a budget, scan-and-shop, or a visible running total if it helps: A running total helps constrain the unplanned additions.

Helen doesn’t need to turn the weekly shop into a tactical operation - and neither do you. She just needs to notice when the store is writing a second list on top of the one she brought in.

The goal isn’t a perfect shop. It’s a kitchen where, on a tired Tuesday evening, the easiest thing to reach for is something you actually planned to eat.

🎧 Prefer to listen while unpacking the groceries or wondering how the nachos got into the cart?

🎙️ This week’s One Health Tweak a Week podcast is about how grocery stores shape what you buy - and why that changes what you eat all week.

You’ll hear:

• Why healthy eating starts before the food reaches your kitchen

• How shopping carts, store layout, aisle ends, smells, samples and “specials” quietly change what we notice

• Why health-conscious shoppers are especially vulnerable to protein, gut-health, plant-based and no-added-sugar packaging

• Why a 3-for-2 offer can be good value in the store and a problem in the cupboard

• How to shop in a way that makes the healthier choice easier for your tired future self

for your next walk, commute, or trying to remember whether you actually meant to buy chutney.

👉 Listen now!

(Episodes are free for now. Paid subscribers support the deeper research - and help me build practical tools that turn good intentions into habits that actually stick.)

🧭 Before you go

💬 This is a judgement-free aisle: what’s the most absurd thing the grocery store has talked you into buying? Or what’s the one item that somehow gets you every time?

Leave a comment

📤 Know someone who goes in for milk and comes out with snacks, seasonal specials and a new plan for movie night? Forward this to them.

Share

👥 Paid corner - Want a second pair of eyes on one grocery habit that keeps undoing your good intentions? Message me in our private chat with the pattern you’ve noticed, and I’ll suggest one practical change to try next time.

Until next Saturday - may your list remain mostly your list, and may the aisle ends have slightly less power over your future self.

– Ben

Following Helen, a sensible midlife shopper trying to buy food for a reasonably healthy week, we explore how grocery stores quietly reshape what we notice, reach for and justify. The episode looks at oversized shopping carts, fresh produce at the entrance, bakery smells, scattered essentials, aisle-end “specials”, free samples, bulk deals and health-halo packaging that makes ultra-processed snacks look like acts of self-care.

The point isn’t that shoppers are gullible, or that one packet of muffins or family bag of chips ruins anyone’s health. It’s that the foods we bring home become the choices available to our tired, hungry, busy future selves. The grocery store changes what we buy today; our cupboards change what we eat for the rest of the week.

You’ll also hear practical ways to shop more consciously without becoming joyless about it: write a real list, choose the right basket or cart, plan treats rather than collecting ambush treats, treat aisle-end offers as adverts, question health-halo claims, and avoid bulk-buying foods you don’t want to eat in bulk.

I remember Linda McCartney’s frozen veggie sausages arriving in the supermarket freezer aisle sometime in the early 1990s. They felt like the future: principled, ethically sound, faintly revolutionary. Then you ate one.

The future, it turned out, tasted like salty mush.

Three decades on, the category has changed beyond recognition. Today’s plant-based meats are engineered to mimic the look, chew, sizzle, and even the bleed of real meat.

The global market was worth an estimated $10.4 billion in 2025 and is projected to reach $30.4 billion by 2032. Celebrity investors have piled in: Leonardo DiCaprio, Jay-Z, Beyoncé, Kim Kardashian, Snoop Dogg.

This is no longer a niche for committed vegetarians. It’s a mainstream bet.

But here’s the question that matters most to your health: has the science improved as much as the imitation?

When the packaging says “plant-based,” is that a health claim, or just a description of the raw materials? Could eating plant-based meats improve your long-term health

Let’s look at what the evidence shows.

These aren’t plants in a different shape

First, a category distinction that often gets side-stepped.

Tofu, tempeh, lentils, beans, textured soy and pea protein: these are minimally processed plant proteins. They’ve been eaten for centuries, have strong nutritional profiles, and have well-supported health credentials.

Plant-based meat alternatives are a different product entirely.

Burgers, sausages, mince, meatballs, nuggets: they’re designed to replicate the full sensory experience of meat, and doing that requires serious food engineering. One look at the ingredient panels tells you everything you need to know.

These are ultra-processed foods. Not all of them are nutritionally identical, and some are better than others, but the category sits firmly in UPF territory.

That doesn’t automatically make them harmful. But it does mean we should hold them to the same scrutiny we’d give any other ultra-processed product, rather than treating them as health foods simply because the word “plant” is on the box.

Short-term trials show a plausible benefit

When researchers test what happens when people swap real meat for plant-based meat over a few weeks, the results are generally encouraging.

The best overall summary comes from 7 randomised trials involving 369 adults. Across these studies, people who replaced meat with plant-based meat for up to 8 weeks saw, on average, a 12% fall in LDL (’bad’) cholesterol and a modest 1% drop in body weight.

That’s a useful signal. LDL is one of the blood fats most closely linked to cardiovascular risk. So if a food swap reliably lowers LDL, we should pay attention.

One trial helps explain what may be going on. Researchers asked 36 healthy adults to eat at least 2 portions a day of either real meat or plant-based meat for 8 weeks, then switch to the other version. During the plant-based phase, people ate less saturated fat and more fibre. Their LDL cholesterol was 9% lower, and they lost about 1kg (2.2 lb) on average.

That makes nutritional sense. Many plant-based meat products contain less saturated fat than the meat products they’re replacing, and some contain more fibre. Less saturated fat plus more fibre is a perfectly understandable recipe for lower LDL cholesterol.

It’s worth saying that, like many studies on plant-based meats, this study was sponsored by a food manufacturer, though the analysis plan was pre-registered and the statistical analyses were handled independently.

A smaller study comparing red meat with mycoprotein, better known as Quorn, found a similar LDL cholesterol reduction over 2 weeks, along with small improvements in waist size and blood pressure. Again, useful, but small and short-term.

Why the improvement? Probably nothing magical about “plant meat” as a concept. It’s simpler than that: many of these products contain less saturated fat and more fibre than their animal equivalents. Swap one for the other, and your LDL tends to drift in the right direction.

But the signal isn’t settled

Not all trials agree. An 8-week study of 89 adults comparing plant-based meats with their real-meat equivalents found no significant effects on LDL or other cardiometabolic markers. Product composition, baseline diet, and study design all likely matter.

So the short-term picture is: probably some benefit for LDL cholesterol, probably modest, and probably driven by the nutrient profile of the swap rather than any inherent property of plant-based meat.

However, while changes in surrogate markers like LDL cholesterol and body weight are useful signals, they aren’t proof of long-term benefit. For that, we need longer-term evidence. And the longer-term evidence tells a more complicated story.

Long-term evidence favours whole plants, not plant-based UPFs

The most relevant long-term data comes from the UK Biobank: over 118,000 British adults aged 40–69, followed for 9 years.

The findings split cleanly along the processing line:

• Each 10% increase in plant-sourced non-UPF food (i.e. whole plant foods) was associated with a 7% lower risk of cardiovascular disease and a 13% lower risk of premature death from any cause.

• Each 10% increase in plant-based UPF food was associated with a 5% higher risk of cardiovascular disease and a 12% higher risk of premature death from any cause.

The researchers estimated that switching from plant-based UPFs to whole plant foods could mean a 7% reduction in cardiovascular disease and a 15% lower all-cause mortality. Same plants, different processing, very different outcomes.

While this sounds concerning, there’s an important caveat: in this study, plant-based meat alternatives accounted for just 0.2% of participants’ daily energy intake. That’s vanishingly small. It means any effect of these foods could be greatly diluted by everything else in the diet.

We should be cautious about reading too much into it, but the direction of travel is consistent with the wider UPF evidence: more processing = more risk.

A separate analysis from the EPIC study of almost 312,000 Europeans reported that “plant-based alternatives” were associated with a 54% lower risk of type 2 diabetes. That sounds reassuring until you dig in.

The study didn’t define what counted as a “plant-based alternative,” and the same analysis found sweets and desserts linked to an 11% lower risk of diabetes, which is hard to take at face value. I don’t find that result convincing.

The real comparator matters

Here’s a point that often gets lost in the marketing.

Plant-based meats almost always compete with processed meats: bacon, sausages, burgers, nuggets. And processed meats set a very low bar. The International Agency for Research on Cancer estimates that each additional 50g of processed meat per day is associated with an 18% higher risk of bowel cancer.

So when a plant-based sausage looks “healthier” than a pork sausage, that may well be true. But “better than processed meat” is a bit like finishing above last place.

If you’re interested in long-term health, which I’m pretty sure you are, then you’re hoping to be leading the pack, not just avoiding last place!

What this means for your health

“Plant-based” has become a health halo, but it covers an enormous range.

A bowl of lentils is plant-based. So is a box of ultra-processed nuggets made from methylcellulose, pea protein isolate, and a dozen other ingredients you’d never find in a kitchen cupboard.

If you’re currently eating processed meat regularly, swapping some of it for plant-based equivalents may modestly improve your LDL cholesterol and could be a small step in the right direction.

But if the choice is between a plant-based sausage and a plate of beans, lentils, tofu, fish, or poultry, the whole or minimally processed option is almost certainly the better bet.

The practical decision rule: think of plant-based meats as an occasional bridge away from processed meat, not a destination. And don’t confuse them with the genuinely health-supporting category of whole plant foods.

As always, your responses are anonymous, but they really help me tailor future content to what’s most helpful to you. Please take a moment to click a button.

HEALTH TWEAK OF THE WEEK

Plant-based meats may wear a health halo, but make no mistake: they are ultra-processed foods that sit in the same manufacturing territory as the processed meats they mimic.

Short-term trials suggest they may modestly lower LDL cholesterol when they replace real meat, but longer-term evidence favours whole plant foods over plant-based UPFs.

At best, they’re a less-bad substitute for some processed meats, and that’s a low bar.

1. Classify the swap before you make it. Before reaching for a plant-based burger or sausage, ask one question: “What is this replacing?”
If it’s displacing bacon, pork sausages, or processed nuggets, it’s probably a modest upgrade.
If it’s replacing beans, lentils, tofu, tempeh, fish, poultry, or any minimally processed meal, it’s likely a downgrade. The direction of the swap matters more than the label on the packet.

2. Use plant-based meats as occasional bridge foods, not staples. They’re useful for barbecues, family meals where someone won’t eat beans, quick weeknight dinners, or easing a transition away from processed meat. That’s fine.
But treat them as the convenience food they are, not as a health upgrade you can eat freely. A few times a month is very different from a few times a week.

3. Build your regular protein habit around whole and minimally processed foods. The everyday base should be beans, lentils, chickpeas, tofu, tempeh, nuts, whole grains, fish, and poultry.
These foods bring fibre, micronutrients, and a nutritional depth that plant-based meats can’t match, and you won’t need a food-science degree to read the label.

If plant-based meat helps you eat fewer sausages, burgers or nuggets, that’s a step worth taking.

The next step is the one that matters more: making the regular diet less processed, more varied, and built around foods your grandmother would recognise.

🎧 Prefer to listen while grilling something that looks suspiciously like meat but isn’t?

🎙️ This week’s One Health Tweak a Week podcast is about plant-based meats, ultra-processing, and why eating plant-based meat isn’t the same as eating plants.

You’ll hear:

• Why tofu, tempeh, beans and lentils are not the same category as plant-based burgers, sausages, mince and nuggets

• What short-term trials suggest about LDL cholesterol, fibre, saturated fat and weight

• Why the long-term health evidence is much stronger for whole plant foods than for plant-based ultra-processed foods

• How to decide whether a plant-based meat swap is a useful step away from processed meat, or just a different kind of convenience food

👉 Ideal for your next walk, commute, or while standing in the supermarket quietly wondering what methylcellulose is doing in your burger.

👉 Listen now!

(Episodes are free for now. Paid subscribers support the deeper research - and the practical tools I’m building to help you act on what you learn, not just collect another interesting health fact.)

🧭 Before you go

💬 Do plant-based meats turn up in your week: burgers, sausages, mince, nuggets, or not really?
And when they do, are they replacing processed meat, or replacing something simpler?

Leave a comment

📤 Know someone who assumes “plant-based” automatically means healthier, or someone trying to cut down on meat without living on lentils? Send this their way.

Share

👥 Paid corner - Want help working out which swaps are actually worth making? Drop me a note in our private chat, and we’ll sort your regular meals into three buckets: useful swaps, convenience compromises, and better everyday defaults.

Until next Saturday - may your burgers be properly classified, your lentils get the respect they deserve, and your ingredient panels be shorter than your insurance policy’s terms and conditions.

– Ben

But does that make them a healthier choice, or just a more convincing ultra-processed food?

In this episode, we’ll explain why “plant-based” is too broad a label to trust on its own. We’ll separate genuinely health-supportive plant proteins, such as beans, lentils, tofu and tempeh, from ultra-processed meat mimics designed to replicate the eating experience of burgers, sausages and nuggets.

We’ll look at what short-term trials show when people replace meat with plant-based meat, including the encouraging signals for LDL cholesterol, fibre intake and body weight. Then we’ll step back and ask the bigger question: do those short-term improvements prove long-term health benefit?

Most importantly, we’ll show why the real comparator matters. A plant-based sausage replacing a pork sausage may be a useful step. A plant-based sausage replacing lentils, fish, tofu or a minimally processed meal probably isn’t.

By the end, you’ll have a simple rule: judge the swap, not the slogan.

Last summer, I noticed that elderberries kept appearing at the top of fruit nutrient rankings: highest in polyphenols and fibre. I have an elderberry bush in the garden.

Naturally, I started eyeing it up with newfound respect.

A little Googling revealed that raw elderberries are toxic. Fine: cook them. I decided to make jam. My first foray into jam-making.

I got distracted, left it on the heat too long, and now own a jar of what is, to all intents and purposes, black set glue. A useful reminder that chasing the “optimal” fruit can lead you somewhere absurd when there’s perfectly good fruit sitting in the bowl.

If you spend any time on health blogs or Instagram, you’ll recognise the underlying anxiety: should you be adding goji berries to your breakfast? What about acai? White mulberries? Is ordinary fruit somehow second best?

The evidence points somewhere far more practical.

You don’t need to find the single best fruit. You need enough fruit, often enough, with enough variety that different fruits can do different jobs. Let me show you why.

Fruit already earns its place

Before we get into rankings, it’s worth remembering how strong the case for fruit already is.

After tracking over 105,000 Americans for 30 years, researchers found that the single food most strongly linked to healthy ageing was fruit.

Not leafy greens. Not oily fish. Fruit. The thing we tend to treat as lunchbox filler or a polite alternative to pudding.

A 2017 meta-analysis added dose precision: people eating around 200g (about 7oz, or two handfuls) of fruit each day had a 15% lower risk of dying from any cause compared to those who ate little or no fruit.

That’s a substantial signal. But here’s the important nuance: there was little extra benefit from eating more than 200g. The relationship plateaus. So “more is always better” doesn’t hold: you’re aiming for a regular, moderate habit, not a heroic daily intake.

Fruit is also linked to lower cardiovascular disease, lower type 2 diabetes risk, lower BMI, and lower dementia risk.

These are observational associations: fruit eaters tend to have other healthy habits, and higher incomes and education levels may play a role. But the consistency of the signal across different populations, different study designs and different outcomes is hard to dismiss.

So: fruit matters. The question isn’t whether to eat it. It’s whether some fruits give you a meaningful edge over others.

Testing the “best fruit” idea

Let’s look at three key nutrients in fruit and see if any single fruit consistently rises to the top.

Fibre

Fibre is one of fruit’s clearest links to long-term health.

Higher dietary fibre intake is associated with lower risk of cardiovascular disease, all-cause mortality, type 2 diabetes, diverticular disease, and some cancers. Trials show modest improvements in blood sugar control, LDL cholesterol, blood pressure, weight, and bowel function. (Sources: 1, 2)

So which fruits deliver it?

Top of the class: elderberries (see previous glue-related misadventure). Raspberries come a very close second, and blackberries aren’t far behind. For a practical, grab-and-go high-fibre option, pears are a top choice.

Notice the spread. There’s a real difference between raspberries and, say, watermelon. Fibre content isn’t the same across all fruits: your choice does matter somewhat.

Vitamin C

At school, we learned how scurvy was the scourge of the British Navy during our peak seafaring years of old.

The Scot James Lind conducted one of the first clinical trials aboard HMS Salisbury, proving that oranges and lemons could prevent and treat scurvy. The Royal Navy mandated citrus rations for all sailors, preferring the more readily available limes, which earned British sailors the nickname “Limeys.”

So do you need to suck on a lemon to get your daily vitamin C?

No. Oranges do just fine. But you might be surprised to hear that kiwis and strawberries match oranges, with pineapple not far behind. It’s notable that many of the fruits highest in vitamin C tend to be yellow or orange: oranges, pineapple, cantaloupe, and mango.

So citrus deserves its reputation, but it doesn’t own vitamin C. The story is already more nuanced than “one fruit wins.”

Polyphenols

Polyphenols are a large family of plant compounds involved in colour, flavour, and plant defence.

In humans, polyphenol-rich foods are linked with better cardiometabolic health, probably through effects on vascular function, inflammation, insulin signalling, blood pressure, and the gut microbiome: not simply by acting as antioxidants.

How big is the signal? In the renowned PREDIMED study of the Mediterranean diet, researchers found that people consuming the most polyphenols had a 37% lower risk of premature death from any cause compared to those who ate the least.

That’s a large association. Now it’s one study, so not proof of causality, but a substantial and plausible signal.

At the top of the list: elderberries and chokeberries (exotic, impractical). Next: prunes, raisins, and figs. For fresh, readily available options, blueberries and blackberries lead the pack. The pattern is striking: fruits highest in polyphenols tend to be dark-coloured. Elderberries, chokeberries, blueberries, blackberries, plums.

A note on dried fruit

You’ll have noticed dried fruits appearing near the top of the polyphenol rankings. They also deliver fibre and minerals. That’s useful.

But before you polish off a whole bag of raisins, it’s worth seeing what happens when you remove the water from fruit: you concentrate the sugar.

While the sugar in fresh fruit isn’t a cause for concern (it comes packaged with fibre, water, and micronutrients that slow absorption), it’s easy to consume a lot of sugar if you graze from a bag of dried fruit.

Dried fruit works best as a small addition: a spoonful on oats or yoghurt, not an afternoon snack by the handful.

The pattern keeps repeating

We’ve looked at fibre, vitamin C, and polyphenols in detail. We could keep going:

• Potassium: banana, kiwi, and cantaloupe lead.

• Vitamin A: dried apricots, cantaloupe, mango, prunes, and mandarins top the list.

• Lower-calorie options: watermelon, strawberries, cantaloupe, peaches, and blackberries have the fewest calories per serving.

Every time you look at a different nutrient, a different set of fruits rises to the top.

There is no one fruit to rule them all. The idea that you’re somehow missing out by not eating the latest exotic berry is, mostly, marketing.

How fruit learned to catch our eye

There’s one more reason fruit colour matters, and it has nothing to do with Instagram.

For our primate ancestors, sweetness wasn’t a dietary trap as it is in today’s pastry aisle. It was a survival signal.

Sweet usually meant ripe; ripe meant energy, water, and nutrients. A taste for sweetness helped guide early primates towards foods worth eating.

But fruit didn’t just shape our cravings. It may also have helped shape how we see.

Fruit-bearing plants and fruit-eating animals co-evolved in a kind of ancient bargain. Plants developed bright colours and sweet flavours to attract animals who would eat the fruit and scatter the seeds. In turn, day-feeding primates evolved colour vision that made it easier to spot ripe red, orange, and yellow fruit against a green canopy.

So when a mango glows orange, a plum turns purple, or berries deepen from green to red or black, that colour isn’t decorative. It’s part of an old conversation between plants and animals: this is ripe; this is worth your attention.

Not all fruit followed that route. Some fruits were shaped more by nocturnal seed-dispersers like bats, so they tend to be duller in colour but stronger in scent and softness - think bananas and figs.

Either way, the point is the same: fruit variety isn’t just a nutrition chart. It’s an evolutionary story you can pick up, peel, slice, and eat.

What this means for your health

The right question isn’t “which fruit wins?” It’s “am I eating fruit regularly, and am I covering different nutrient jobs across the week?”

Fruit choice does matter: berries bring fibre and polyphenols; citrus and tropical fruits bring vitamin C; bananas and kiwis bring potassium; dark fruits bring polyphenol depth. But the real win isn’t optimising any single slot. It’s covering the spectrum without turning fruit into homework.

Real healthy diets aren’t nutrient league tables. They’re daily habits.

The goal isn’t ranking. It’s coverage.

Two handfuls a day. Multiple colours and families across the week. That’s the practical target: enough variety to let different fruits do their different jobs, without needing a spreadsheet or an Instagram influencer to tell you which berry to buy this month.

As always, your responses are anonymous, but they really help me tailor future content to what’s most helpful to you. Please take a moment to click a button.

HEALTH TWEAK OF THE WEEK

The evidence is clear: eating around 200g (two handfuls) of fruit per day is associated with a 15% lower risk of all-cause mortality, and fruit was the single food most strongly linked with healthy ageing in a 30-year cohort of over 105,000 people.

Since no single fruit dominates across all nutrient categories, the biggest upgrade is variety, not trying to choose one “best” option.

1. Build a weekly fruit spectrum. When you’re at the grocery store, aim for five different colours or fruit families: berries, citrus, apples and pears, stone fruits, grapes, tropical fruit, or melon. We’re talking about eating whole fruit here: fruit juices and smoothies don’t bring the same benefits.

2. Keep the boring winners in rotation. You don’t need exotic berries. Apples, pears, oranges, bananas, berries, kiwis, and grapes are practical, affordable, and collectively cover a wide nutrient spectrum. They’re your backbone.

3. Treat dried fruit as an add-on. A small spoonful of raisins, prunes, or figs on oats, yoghurt, or muesli gives you polyphenols, fibre, and minerals without the sugar load that comes from grazing by the handful.

4. Frozen fruit works just as well. Keep berries, cherries, mango, or pineapple in the freezer so “running out of fruit” doesn’t become the default excuse. Frozen fruit isn’t second best: it’s picked and frozen at peak ripeness, and it’s just as good as fresh. I keep a dedicated freezer drawer stocked, and most evenings dessert is a bowl of (thawed) frozen fruit topped with Greek yogurt.

Years ago, I was more of a pudding person. Now, I can’t imagine going back. Now, most evenings, dessert is a bowl of fruit topped with Greek yoghurt.

That’s the real upgrade here: not chasing the perfect fruit, but making varied fruit so normal that it replaces something less useful.

No elderberry glue required.

🎧 Prefer to listen while washing grapes or rescuing berries from the back of the fridge?

🎙️ This week’s One Health Tweak a Week podcast is about why you don’t need to find the single best fruit - and what to do instead.

You’ll hear:

• Why fruit is strongly linked with healthy ageing and lower all-cause mortality

• Why the sweet spot seems to be around 200g a day, not heroic quantities

• Why different fruits do different jobs: fibre, vitamin C, polyphenols, potassium, colour and more

• Why berries, citrus, apples, pears, tropical fruits, melons, dried fruit and frozen fruit each have a place

• How to build a realistic weekly fruit spectrum without turning meals into a spreadsheet

👉 Good for your next walk, commute, or figuring out what to do with a pomegranate.

👉 Listen now!

(Episodes are free for now. Paid subscribers support the deeper research - and help me build practical tools that turn good intentions into habits that actually stick.)

🧭 Before you go

💬 Is fruit something you enjoy, something you try to remember to eat, or something you’ve not got around to yet?

Leave a comment

📤 Know someone who’s still chasing the “best” fruit, or wondering whether ordinary apples and oranges are somehow second best? Forward this to them.

Share

👥 Paid corner - Want help making fruit work better for your routine, appetite, budget, blood sugar concerns, or gut tolerance? Message me in our private chat, and I’ll help you make it practical.

Until next Saturday - may your fruit bowl look a little less like a holding pen for apples, and a little more like a weekly spectrum.

– Ben

In this episode of One Health Tweak a Week, we look at the anxiety created by health blogs, Instagram “super-berries”, and nutrient rankings, then ask a more useful question: how can you get the greatest benefit from the fruit habit without turning it into homework?

We start with the bigger evidence: fruit is strongly linked with healthy ageing and lower all-cause mortality, with around two handfuls a day appearing to be a meaningful target. Then we test the idea of a single “best” fruit by comparing fruits for fibre, vitamin C, polyphenols, potassium, vitamin A, and lower-calorie volume.

The answer is reassuring: different fruits do different jobs. Berries shine for fibre and polyphenols. Citrus, kiwi, strawberries and tropical fruits bring vitamin C. Dark fruits add polyphenol depth. Apples, pears, bananas and frozen fruit keep the habit practical. Dried fruit can help, but it works best as a small addition rather than something to graze from the bag.

The tweak: build a weekly fruit spectrum, not a fruit ranking chart.

For most of my career, I’d have told you protein shakes were firmly gym-bro territory.

I prescribed them in the hospital, sure: post-surgical patients who couldn’t eat enough, people recovering from serious illness. But for healthy folk going about their normal lives? A waste of money at best, and probably a nudge toward worse long-term health.

Then I took a proper look at my own breakfast.

I eat what most people would call a healthy morning meal: Fruit and Fibre mixed with muesli, milk, and a cup of tea on the side. Total protein? About 11g. Throw in some toast with peanut butter, and I could stretch that to around 24g. Sounds reasonable, right?

Except that from your mid-sixties, experts recommend aiming for roughly 30 to 40g of protein at a meal to give ageing muscle a stronger repair signal, and that’s especially important at breakfast. My “healthy” breakfast was delivering well below the dose that matters most.

To be fair, I’m not in my mid-sixties yet, but I’m not even hitting the 20g of protein ideal for someone younger, and I can’t imagine eating much more first thing in the morning.

It was time to swallow my pride, along with a protein shake, with my breakfast!

And here’s the part I hadn’t fully appreciated: the people most likely to benefit from a protein supplement aren’t the ones browsing the supplement aisle.

They’re older adults quietly losing muscle they can’t afford to lose, plant-based eaters fighting food volume, people trying to lose weight without sacrificing lean mass, and anyone recovering from illness or surgery.

The very people who’d probably never think to pick up a tub of protein powder.

The question isn’t “do protein shakes work?” It’s simpler than that: do you have a protein gap they could usefully fill?

Why protein needs rise with age

The older we get, the more precious muscle becomes.

One of the most underappreciated health risks in later life is sarcopenia: the gradual, age-related loss of muscle that can quietly steal your strength, balance and, eventually, independence. It’s what makes getting out of a chair harder, makes falls more likely, and slows recovery when illness strikes.

Protein is one of the tools we use to slow that process.

As we’ve discussed in earlier issues, from your sixties onwards you need around 1.2g of protein per kilogram of body weight (0.54g/lb) each day, split across meals of roughly 30 to 40g of actual protein per sitting (that’s protein itself, not the weight of protein-rich food).

Those large, well-timed doses matter because ageing muscles become less responsive to smaller protein hits. Your body needs a bigger signal to flip from breaking down muscle to building it up.

But 40g of protein per meal is more food than most people realise. It’s not a spoonful of Greek yogurt or a sprinkling of seeds. It’s:

• ~340g (12oz) cottage cheese

• ~175g (6.2oz) chicken or turkey breast

• ~460g (16oz) Greek yoghurt

• ~570g (20oz) chickpeas

That’s a full plate, three times a day. And just as protein needs increase with age, appetite tends to shrink. It’s a dangerous mismatch, and a big part of why muscle loss and frailty are so common in later life. The problem is even steeper for people eating a mostly plant-based diet, where the food volumes are greater still.

If eating enough whole foods to hit these higher targets is too much of a challenge, a top-up from a protein shake is a practical way to reduce muscle loss and support healthy ageing.

Protein alone isn’t the whole story, either. Without resistance exercise, extra protein is like having bricks delivered every day when you’ve forgotten to hire the builders. Both the raw material and the building signal matter. We’ve talked about this before.

The breakfast gap

Of all your meals, breakfast is usually the biggest protein weak point.

Western breakfasts lean heavily toward carbohydrates: cereal, toast, porridge, fruit, juice. All perfectly good foods, but few deliver anything close to 30 to 40g of protein.

There’s a physiological reason why this matters beyond the daily total. Overnight, your body breaks down muscle to supply itself with amino acids. Breakfast is the first opportunity to switch from that breakdown state back toward muscle building, and that takes a meaningful protein dose to trigger.

I could eat eggs every morning to close the gap, but I don’t. I like eggs, but the link between high egg intake and poorer long-term health outcomes keeps them off my daily menu. So I now add a pea protein shake alongside my usual cereal and muesli. Not instead of breakfast: alongside it.

That distinction matters. A shake on its own won’t give you the fibre, fruit, whole grains and healthy fats you need, and it’ll probably leave you hungry by mid-morning.

Ideally, you’ll meet your protein needs at lunch and dinner through whole foods: meat, fish, dairy, legumes, grains and vegetables. That way, you also get vitamins, minerals, fibre and phytonutrients that no powder can replicate.

But where meals consistently fall short, whether because of poor appetite, convenience, or sheer food volume, a simple top-up can close the gap.

The shake is not the meal. It’s the missing piece.

As always, your responses are anonymous, but they really help me tailor future content to what’s most helpful to you. Please take a moment to click a button.

When plant-based diets come up short

A plant-based diet can absolutely provide enough protein. But it often requires more planning, more volume and more appetite than people expect.

Plant foods tend to be lower in protein density than animal products. They’re also higher in fibre, which is a good thing, but it can fill you up before you’ve eaten enough protein. And most plant proteins are incomplete: missing one or more of the nine essential amino acids your muscles need.

None of that’s a deal-breaker. My diet is mostly plant-based. It just means you need a wider variety and a greater volume to hit your targets.

If you’re younger and active, eating plant-based, and struggling to reach 20 to 25g of protein per meal, a supplement may help you maintain or build muscle more effectively, especially alongside resistance training. On the flip side, if you’re meeting your per-meal targets from whole foods and not losing strength, you’re likely doing fine without one.

From your mid-sixties, though, the picture shifts.

A 40g-per-meal target from plants alone means roughly 500g of tofu, half a kilogram of brown rice, or 570g of canned chickpeas at a single sitting. Three times a day. That’s a very full stomach.

In that context, a scoop of blended plant protein, something like pea plus rice that covers the full amino acid profile, becomes genuinely useful: concentrated protein without all the bulk. It allows you to enjoy a normal sized meal and still get the protein you need.

Again, this is not about replacing plants. It’s about making the diet you already value easier to sustain.

Protecting muscle while losing weight

Protein also becomes more important when you’re trying to lose weight.

When you cut calories, your body doesn’t just burn fat. It can also break down muscle. And losing muscle matters more than most people appreciate:

• Muscle powers movement. Even modest losses reduce strength and functional ability. In older adults, this directly increases the risk of falls, fractures and frailty.

• Muscle is your metabolic engine. The more you carry, the more energy you burn at rest. Lose it, and your metabolism slows, making future weight regain more likely.

• Muscle is your emergency reserve. During illness or injury, your body draws amino acids from muscle for healing and immune function. Deplete that reserve in your forties or fifties, and there’s less to draw on when it counts.

Replacing that lost muscle is a lot harder than losing it.

So, how do you protect muscle during a calorie deficit? Higher protein intake, combined with resistance training.

In a study of 80 older adults with obesity, participants followed a reduced-calorie diet and did resistance training three times a week. Those receiving extra protein lost more fat (3.2kg versus 2.5kg) and gained 0.4kg of muscle, while the group without extra protein lost 0.5kg of muscle, despite consuming slightly more calories. That’s a double win.

A separate trial in healthy young men on a reduced-calorie diet with intense training found a similar pattern: those consuming 2.4g/kg/day lost more fat (4.8kg versus 3.5kg) and gained more lean mass (1.2kg versus 0.1kg) compared with 1.2g/kg/day. These were young men training hard, so the results don’t translate directly to a typical reader. But the direction is consistent: when calories are restricted, more protein tends to mean more fat loss and better muscle preservation.

If you’re trying to lose weight, aim for around 1.1 to 1.2g of protein per kilogram of body weight daily. If that’s hard to manage without exceeding your calorie budget, a protein supplement can be a practical tool. It gives you a lot of protein for relatively few calories.

Bouncing back from illness or surgery

After a hospital stay, surgery or serious illness, muscle loss can happen alarmingly fast. Older adults are especially vulnerable, but this can matter at any age after a major illness or prolonged period of inactivity.

Inflammation, bed rest, poor appetite and physiological stress all chip away at muscle mass, often before you notice. For older adults in particular, the loss can be both sudden and significant, and regaining it takes real work.

Most clinical guidelines recommend 1.2 to 1.5g of protein per kilogram of body weight per day during recovery. When appetite is suppressed and food doesn’t appeal, that’s a difficult target from meals alone. A supplement can bridge the gap while the rest of your recovery catches up.

Recovery needs are individual. If you or someone you care for is bouncing back from illness, injury or surgery, talk to a healthcare professional about the right nutritional approach for that specific situation.

When supplements aren’t the answer

For adults under 60 who eat well and train consistently, the evidence for protein supplements is surprisingly modest. A 2020 meta-analysis of 105 studies found that people taking supplements while doing resistance training gained, on average, an extra 480g of lean body mass. For a 70kg man, that’s roughly 0.7% of body weight. Not nothing, but not the transformation the marketing implies.

There are contexts where that matters: athletes, competitive lifters, people training hard, people under-eating protein, or those with specific body composition goals.

But for the average healthy, weight-stable person under 60–65 who already eats protein-rich meals, the missing ingredient is more likely to be resistance training than another scoop of powder.

There’s a broader caution, too: consuming protein beyond your actual needs has been linked to poorer long-term health outcomes in adults under 60, as I’ve written about previously.

One important safety note for all ages. Chronic kidney disease is increasingly common in later life, affecting roughly half of people in their seventies, and nine in ten don’t know they have it. A high-protein diet can accelerate kidney disease progression. If you have known kidney problems, risk factors, or you’re simply unsure, talk to your doctor before making a significant increase in protein intake.

What this means for your health

A protein supplement isn’t a health upgrade by default. It’s useful when it closes a repeated, measurable gap between what your muscles need and what your meals are actually delivering.

The most likely beneficiaries: older adults struggling to reach 30 to 40g of protein per meal, plant-based eaters fighting food volume, people trying to preserve muscle while losing weight, and anyone recovering from illness or surgery. The least compelling case? A younger, weight-stable adult who already eats enough protein and mainly needs to train more consistently.

Whole foods should always come first. Supplements fill gaps; they don’t replace the fibre, vitamins and phytonutrients in real meals. And protein without resistance exercise is only half the equation: the raw material without the building signal.

So: do you actually have a gap worth closing? There’s an easy way to find out.

HEALTH TWEAK OF THE WEEK

Many of us eat less protein than we think, especially at breakfast.

If you’re over 65, losing weight, eating plant-based, or recovering from illness, a simple protein supplement used as a top-up (not a meal replacement) can help you hit the per-meal targets that matter for muscle, strength and independence.

You ought to know how much protein you’re consuming, and how well that meets your needs. So, this week, check whether you have a real protein gap, starting with breakfast.

1. Audit your breakfast protein. Track two or three typical mornings using a free app like Cronometer, MyFitnessPal, or CheckYourFood. Compare your total against roughly 20 to 25g per meal if you’re under 65, or 30 to 40g per meal from your mid-sixties onwards. Breakfast is usually where the biggest gap lives.

2. Try whole-food fixes first. Add Greek yogurt, cottage cheese, milk, tofu, tempeh, beans, lentils, fish or poultry where they fit naturally. If you can close the gap with real food, you don’t need a supplement. Don’t be tempted by ultra-processed “high-protein” snack foods dressed up as health products.

3. Use a simple supplement for the remaining gap. If whole foods aren’t getting you there, choose whey concentrate if you eat dairy, or a pea/rice blend if plant-based. Skip collagen and BCAAs for muscle building: they’re not up to the job. And pair your protein with resistance exercise at least two to three times a week. Without the building signal, extra protein has limited benefit.

If you’re under 60 or 65, eating a varied diet, maintaining your strength, and already getting decent protein at each meal, you probably don’t need a daily shake.

This isn’t about having a variety of coloured shaker bottles to match your Lycra gym wear; it’s about closing a real gap when ordinary meals are no longer quite doing the job.

🎧 Prefer to listen while wondering whether your breakfast is underpowered?

🎙️ This week’s One Health Tweak a Week podcast is about protein gaps, ageing muscle, and when a simple supplement makes more sense than another lecture about whole foods.

You’ll hear:

• Why protein supplements aren’t just for bodybuilders, and why some of the people most likely to benefit may never think to use them

• How a healthy-looking breakfast can still fall well short of the protein dose your muscles may need as you get older

• Why older adults, plant-based eaters, people losing weight, and those recovering from illness or surgery may all face the same practical problem: not enough protein on the plate

• How to audit your breakfast without turning food into a spreadsheet hobby

• Why the goal is a protein top-up, not swapping proper meals for shakes or falling for “high-protein” snack foods with a health halo

👉 Good company for a walk, a commute, or while looking at your cereal bowl and wondering whether it’s doing quite as much as you thought.

👉 Listen now

(Episodes are free for now. Paid subscribers support the deeper research - and unlock practical tools to help you turn the science into meals and habits that work in real life.)

🧭 Before you go

💬 Did this make you want to audit your breakfast? I’d love to hear what you found, especially if a meal you thought was “pretty good” turned out to be lighter on protein than expected.

Leave a comment

📤 Know someone who eats lightly, is mostly plant-based, is trying to lose weight, or is getting older and quietly losing muscle? Forward this to them. A protein gap is easy to miss until strength starts slipping.

Share

👥 Paid corner - Want help making sense of your breakfast audit? Drop me a message in our private chat, and I’ll help you think through whether your meals are clearing the protein targets we talked about here, and whether a simple top-up might be useful.

Until next Saturday - don’t let breakfast leave your muscles on hold.

– Ben

In this episode of One Health Tweak a Week, we look at a more useful question than “Do protein shakes work?”: Are your meals actually giving your muscles enough protein?

You’ll learn why protein needs often rise from our sixties onwards, why appetite and food volume can make those targets harder to reach, and why breakfast is often the meal where the biggest gap quietly appears. We also explain when protein powder can be a sensible top-up, why it shouldn’t replace proper meals, and why “high-protein” snack foods are not the same thing as a useful supplement.

The episode also covers plant-based diets, calorie restriction, recovery after illness, and the essential role of resistance exercise.

By the end, you’ll have a simple way to audit your breakfast, spot a real protein shortfall, and decide whether food alone is enough or whether a simple supplement might help close the gap.

A couple of months ago, we looked at strength exercises from the angle most of us already recognise: muscle, function and independence.

That matters. The ability to get out of a chair, carry shopping, climb stairs, lift a suitcase, garden without feeling wrecked, and stay steady on your feet is one of the foundations of an independent later life.

But this…

Read more

A couple of months ago, we talked about why resistance exercise matters for preserving muscle, function, and independence as we age. This episode comes at it from a different angle: not just whether strength exercise helps you stay stronger, but whether it’s linked with living longer.

We’ll unpack a just-published 30-year study of more than 147,000 US adults, which found that regular resistance exercise was associated with lower risks of death from any cause, cardiovascular disease, and neurological disease. We’ll also look at how the findings fit with previous meta-analyses, why the apparent sweet spot is surprisingly modest, and why more than about 2 hours a week does not seem to add extra longevity benefit.

Most importantly, this isn’t a “become a gym person” episode. We’ll talk about why walking, cycling, gardening, and other aerobic activities still matter enormously, but may not cover everything your body needs.

You’ll come away with a practical target: keep your aerobic base, then add 2 or 3 short strength sessions a week using simple, everyday movements you can do at home.

One of the great small pleasures of staying in a British bed and breakfast is the full English breakfast.

Bacon, sausage, black pudding, a fried egg, toast, and a cup of strong tea, with the promise of a day’s adventures waiting outside the door. I’m not going to pretend it isn’t one of life’s genuinely wonderful meals.

But I eat maybe two or three a year…

Read more

We’ll look at why processed meat is not simply “meat with a bit of salt,” and why regular intake has been linked with higher risks of colorectal cancer, type 2 diabetes, cardiovascular disease, stroke, heart failure and premature death. We’ll also unpack what actually counts as processed meat, including ham, salami, pepperoni, deli slices, chicken nuggets, many burgers, turkey bacon and “uncured” or “naturally cured” products.

This isn’t an episode about food guilt or pretending bacon isn’t delicious. It starts with the full English breakfast for a reason. The real question is frequency: are these foods occasional pleasures, or have they become your default protein?

You’ll hear why celery powder and “natural nitrates” are not the escape hatch they appear to be, why white-meat versions aren’t clearly safer, and how processing, curing, smoking and high-temperature cooking change the health profile of meat.

The takeaway is simple: keep the processed meats you genuinely love, savour them occasionally, and replace the forgettable routine servings with easier, less processed protein most of the time.

Most advice about light and health starts at the wrong end of the day.

We’re told to stop scrolling before bed, switch on night mode, buy blue-light glasses. There’s some truth in that: bright, blue-rich light in the evening really can delay the body’s night signal.

But what if that’s only a small part of the story?

The bigger problem is that modern life h…

Read more

Most advice starts at the wrong end of the day. We’re told to stop scrolling before bed, switch on night mode, or buy blue-light glasses. Those things can matter, but they miss the bigger pattern. Modern life has flattened the rhythm our bodies evolved to expect: bright days, fading evenings and dark nights.

Many of us now spend our days indoors in light that feels bright, but is biologically dim. Then, just as the body should be winding down, we switch on ceiling lights, kitchens, televisions, laptops and phones. Finally, we sleep in bedrooms that often aren’t truly dark.

In other words, we live in biological twilight.

In this episode, we explain why light isn’t just something that helps you see. It is one of the body’s strongest timing cues, helping your brain, hormones, metabolism and sleep machinery understand when day begins and night has arrived.

You’ll learn why cloudy outdoor daylight still matters, why night mode only partly helps, why blue-light glasses are not the main answer, and how small changes to your morning, evening and bedroom light can give your body a clearer daily rhythm.

For years, I was an optimistic fruit buyer but a reluctant fruit eater. A handsome fruit bowl sat on the kitchen counter: apples polished, bananas curved just so, a few satsumas adding a flash of orange.

It looked great. Very aspirational. A still life with good intentions. But by Friday, much of it was still there, slowly composting in plain sight.

But e…

Read more

Fruit is sweet. Fruit contains sugar. And if you’re trying to cut back on sugar, it’s easy to wonder whether apples, oranges, berries, grapes and pears should be on the “be careful” list.

But whole fruit is not sugar in disguise.

In this episode, we explain why “contains sugar” is not the same as “behaves like sugar”, and why whole fruit sits in a very different category from fizzy drinks, fruit juice, cakes, biscuits, sweets, sweetened coffees and many commercial smoothies.

We’ll look at the evidence linking around 200g / 7oz / two handfuls of whole fruit a day with better long-term health, including healthier ageing, lower cardiovascular risk and lower type 2 diabetes risk. We’ll also unpack why fruit sugar behaves differently: chewing, fibre, water, intact plant cells, fullness, and the wider food matrix all matter.

We’ll cover the fructose confusion too, including why the concerns around high-fructose corn syrup and sugary drinks shouldn’t be transferred wholesale to the fruit bowl.

The practical takeaway: don’t start cutting sugar by cutting whole fruit. Start with liquid and refined sugar, and let fruit become your default sweet food.

Prefer something you can come back to?

The podcast is great for a walk, commute, or kitchen potter. The newsletter gives you the same evidence in a format you can scan, save, and revisit, with the graphs, infographics, references, and practical steps laid out clearly.

More than 170,000 reads later, that seems to be helping people turn health information into something they actually use.

Join free at https://newsletter.onehealthtweakaweek.com/about