“Any diet that tells you to fear a banana but worship a stick of butter deserves a raised eyebrow.”
I know that sounds blunt. But after years of watching nutrition trends cycle through panic and praise, keto stands out — not because low-carb eating is inherently foolish, but because of how aggressively it has been marketed as a miracle.
This is not an attack on individuals who eat low-carb. It is a critique of the story wrapped around it. And it is time we talk about where cheese really fits.
What keto was originally designed for
The ketogenic diet did not begin as an Instagram transformation challenge.
It was developed in the early 20th century as a therapeutic intervention for children with drug-resistant epilepsy. In that context, it is calculated, monitored, and medically supervised.
That version of keto is precise. It is not bacon memes and butter coffee.
What we have today is something else entirely — a lifestyle brand built around carbohydrate fear and metabolic promises that often stretch far beyond the data.
The carbohydrate villain narrative
Modern keto hinges on one core message: carbohydrates are the problem.
Carbs raise insulin. Insulin stores fat. Remove carbs and you unlock fat-burning mode. It is simple, elegant, and deeply incomplete.
Carbohydrates are not a single entity. A bowl of lentils is not a doughnut. A piece of fruit is not a litre of soft drink.
When complexity is flattened into “carbs are bad,” we leave physiology and enter ideology.
Why early keto weight loss feels dramatic
Keto often works quickly at the start.
When carbohydrates are restricted, glycogen stores in the liver and muscles are depleted. Glycogen holds water, so as it drops, water weight drops too.
The scale moves fast. That momentum feels validating.
But much of that early shift is water, not fat. And once the honeymoon phase ends, progress slows and adherence becomes harder.
Marketing rarely shows month six. It shows week two.
Energy balance still exists
One of keto’s most repeated claims is that it bypasses traditional calorie logic.
It does not.
If you lose weight on keto, it is because you are in a calorie deficit. Appetite may fall. Food choices may shift. But the fundamental principle remains.
There is no metabolic loophole that exempts butter from thermodynamics. When we strip away rhetoric, keto is one way — not the only way — to reduce energy intake.
The sustainability problem
Here is where things become uncomfortable.
Extreme diets often struggle in the long term. Humans eat socially. We celebrate with bread, fruit, pasta, and rice. Eliminating entire food groups creates friction with daily life. That friction accumulates.
Some people thrive on strict low-carb patterns. Many do not. When people fall off keto, they are told they lacked discipline. Rarely does anyone question whether the diet itself was unnecessarily rigid.
The cholesterol and saturated fat question
Keto diets are often high in saturated fat. For some individuals, LDL cholesterol rises significantly. For others, it does not. The variability makes blanket claims reckless.
If someone already has elevated LDL or a strong family history of cardiovascular disease, increasing saturated fat intake without monitoring markers is not biohacking.
It is gambling. Nuance is not as clickable as “butter is back.” But it is far more useful.
The fibre gap nobody wants to discuss
Carbohydrates are not just sugar. They are also fibre. When carbs are drastically reduced, fibre intake often falls. That affects gut microbiota diversity and digestive health.
Some keto followers prioritise non-starchy vegetables and seeds. Others lean heavily on meat, cheese, and processed keto substitutes. The second pattern is not ancestral. It is just low-carb convenience food.
The ultra-processed keto industry
If keto were built around whole foods, the conversation would look different.
Instead, we have keto bars, keto bread, keto cereal, keto ice cream, and powdered fat supplements. Many contain refined oils, sugar alcohols, emulsifiers, and modified starches.
A movement that claims to reject ultra-processed food has created an ultra-processed shadow market. That irony should not go unnoticed.
Fear sells
Scams, or at least scam-like marketing, thrive on fear. Fear of insulin, fruit, bread.
When people become anxious about everyday foods, they cling to whoever offers safety. Keto marketing often positions itself as that refuge. Nutrition should reduce anxiety. It should not manufacture it.
How cheese became a keto mascot
Now let’s talk about cheese.
Scroll through keto forums and you will see cheese elevated to hero status. Cheese crisps replace crackers. Cheese shells replace tortillas. Actually, cheese replaces everything.
On keto, cheese is often celebrated for what it lacks — carbohydrates. That is a reductive way to view a food with centuries of history and complex biochemistry.
Cheese is more than fat and protein
Cheese is not just “fat with protein.”
It is a fermented food matrix containing bioactive peptides, minerals like calcium, fat-soluble vitamins, and in aged varieties, minimal lactose.
The structure of cheese matters. Calcium may bind fatty acids in the gut. Fermentation alters proteins and creates new compounds. Epidemiological studies often show that cheese consumption does not correlate with cardiovascular risk in the same way butter does.
That tells us something important: food matrices matter.
The lactose nuance
Aged cheeses are naturally low in lactose. During fermentation and ageing, lactose is converted into lactic acid. That is why many lactose-intolerant individuals tolerate aged Cheddar, Parmesan, or Gruyère.
Keto rarely discusses this science. It celebrates cheese because it fits macros. But the fermentation story is far more interesting than carb counts.
Cheese outside of diet extremism
In Mediterranean dietary patterns, cheese appears in modest portions.
It sits beside vegetables, legumes, olive oil, fruit, and whole grains. It enhances flavour and satisfaction. And it certainly does not replace bread. It accompanies it.
That context matters. Cheese in a balanced diet behaves differently than cheese as a primary calorie source.
Portion realism
Cheese is energy dense. It is easy to consume large amounts without noticing, especially when fat is framed as unlimited.
In a moderate dietary pattern, smaller portions can provide satiety and pleasure without excess energy intake. Cheese works best as a flavour amplifier, not a calorie anchor.
The microbiome perspective
Gut microbes thrive on fibre and plant diversity. Very low-carb diets may reduce fermentable fibres, which can shift microbial populations over time.
Cheese contributes beneficial bacteria and fermentation by-products, but it does not replace fibre. A plate of vegetables and legumes nourishes your microbiome in ways cheese alone cannot.
The false metabolic binary
Keto often frames metabolism as a switch: sugar burner or fat burner. Human metabolism is more flexible than that.
Even in mixed diets, we constantly shift between fuels depending on availability and demand. We do not need to eliminate carbohydrates to access fat oxidation. The body already knows how to do that.
What strong evidence supports
Dietary patterns with the strongest long-term evidence share common features. They include vegetables, fruit, whole grains, legumes, nuts, and moderate amounts of animal products.
They are not extreme, they are adaptable across cultures. Cheese appears in these patterns in moderation. It is neither forbidden nor central.
It is simply part of the meal.
Why keto feels revolutionary
Keto feels empowering because it offers clarity.
- No carbs.
- High fat.
- Simple rules.
In a chaotic food environment, simplicity is seductive. But simplicity that ignores complexity often collapses under real life. The more rigid the rule set, the harder it becomes to sustain.
So is keto a scam?
Keto as a medical therapy is legitimate. Keto as a personalised dietary choice can work for some individuals.
But keto as a universal solution marketed with miracle claims, supplement stacks, and fear-based messaging begins to resemble a scam. Any diet that positions itself as the only path to metabolic salvation deserves scrutiny.
Where cheese actually fits
Cheese fits beautifully in a balanced diet.
It provides protein, calcium, flavour, and cultural depth. It can enhance vegetable dishes and increase meal satisfaction. And it does not need to replace carbohydrates to be meaningful.
Cheese belongs at the table, not at the centre of a dietary ideology.
The bigger picture
Nutrition is rarely binary. Single-solution narratives are easy to sell and hard to live with. The most robust dietary patterns are flexible, culturally adaptable, and sustainable for decades.
Cheese can absolutely be part of that story. It just does not need to be a carb-free mascot.
A more rational way forward
If you genuinely feel better eating lower carbohydrate, monitor your blood markers and prioritise fibre-rich vegetables. If keto feels restrictive or socially isolating, that is not a moral failure. It may simply not suit your life.
Focus on whole foods. Eat a diversity of plants. Include cheese in portions that enhance meals rather than dominate them. Balance is not boring. It is durable.
Final slice
“The best diet is the one you can sustain for decades, not the one that dazzles for weeks.”
Keto is not evil, but the way it is packaged and mythologised often overpromises and under-explains. Cheese deserves more respect than being reduced to a carb loophole.
If you enjoy evidence-based nutrition, food science deep dives, and unapologetic cheese appreciation, join my email list. I share myth-busting breakdowns, practical insights, and the kind of nuanced food discussion that refuses to be hijacked by trends.
Because in a world of dietary extremes, the radical move might just be eating balanced meals — with a good wedge of cheese on the side.
References
- Neal, E. G., et al. (2008). The ketogenic diet for the treatment of childhood epilepsy: a randomised controlled trial. The Lancet Neurology, 7(6), 500–506.
(Clinical evidence for therapeutic ketogenic diets in epilepsy.) - Martin-McGill, K. J., et al. (2020). Ketogenic diets for drug-resistant epilepsy. Cochrane Database of Systematic Reviews, Issue 6.
(Systematic review supporting clinical use in epilepsy.) - Hall, K. D., et al. (2016). Energy expenditure and body composition changes after an isocaloric ketogenic diet in overweight men. The American Journal of Clinical Nutrition, 104(2), 324–333.
(Metabolic ward study examining fat loss and energy expenditure.) - Gardner, C. D., et al. (2018). Effect of low-fat vs low-carbohydrate diet on 12-month weight loss in overweight adults. JAMA, 319(7), 667–679.
(DIETFITS trial — long-term weight loss comparable between approaches.) - Johnston, B. C., et al. (2014). Comparison of weight loss among named diet programs in overweight and obese adults. JAMA, 312(9), 923–933.
(Meta-analysis showing modest differences between diets over time.) - Bueno, N. B., et al. (2013). Very-low-carbohydrate ketogenic diet vs low-fat diet for long-term weight loss: a meta-analysis. British Journal of Nutrition, 110(7), 1178–1187.
(Short-term advantage, diminishing long-term differences.) - Mansoor, N., et al. (2016). Effects of low-carbohydrate diets on cardiovascular risk factors: a meta-analysis. PLoS ONE, 11(7), e0157451.
(Lipid variability and mixed cardiovascular effects.) - Astrup, A., et al. (2020). Saturated fats and health: a reassessment and proposal for food-based recommendations. Journal of the American College of Cardiology, 76(7), 844–857.
(Food matrix concept and saturated fat nuance.) - Drouin-Chartier, J. P., et al. (2016). Dairy consumption and risk of cardiovascular disease: a systematic review and meta-analysis. Advances in Nutrition, 7(6), 1026–1040.
(Dairy and cheese not consistently linked to higher CVD risk.) - Dehghan, M., et al. (2018). Associations of fats and carbohydrate intake with cardiovascular disease and mortality in 18 countries (PURE study). The Lancet, 390(10107), 2050–2062.
(Macronutrient balance and global dietary patterns.)
Cheese lover. Scientist. Created a website and a Youtube channel about cheese science because he could not find answers to his questions online.
