Ketogenic Diets For Longevity: Clean Keto And The Pursuit Of Metabolic Health

At Biohacker Summit 2022 Helsinki, Elviira Krebber Made A Moral And Metabolic Case For Whole-Food Keto

In a brisk, tightly packed presentation at Biohacker Summit 2022 Helsinki on Friday, 3 June 2022, nutrition adviser and keto educator Elviira Krebber offered more than a dietary protocol. She offered a worldview.

Her talk, “Ketogenic Diets for Longevity,” argued that the difference between a life-extending ketogenic diet and a potentially harmful one lay not merely in carbohydrate restriction, but in the quality of the food itself. For Krebber, this distinction was everything. “Clean keto comes from nature, whereas dirty keto comes from a factory,” she said, drawing one of the clearest lines of the session.

It was a characteristically direct formulation from a speaker who has built a substantial following by translating a complex nutritional framework into practical rules, appealing recipes and an ethos of simplicity. Krebber, a Certified Nutritional Adviser and the first Finnish Certified Keto Coach, spoke from personal experience as much as professional conviction. More than a decade after restoring her own health with a ketogenic diet, she arrived in Helsinki as one of the movement’s most visible European advocates.

What She Meant By Clean Keto

Krebber’s version of clean keto rested on a familiar macronutrient structure, high fat, moderate protein, low carbohydrate, but she insisted that macros alone were not enough. The real substance of the diet, she said, came from food that remained close to its source.

That meant natural animal fats, complete animal proteins, and low-carbohydrate vegetables with high nutrient density, particularly cruciferous vegetables, leafy greens and herbs. It also meant olives, avocado, coconut, and oils derived from those foods. What it did not mean, in her telling, was a reliance on bars, snacks, powders and industrial reformulations designed to fit ketogenic ratios while stripping away nutritional integrity.

“When you eat a plate of clean keto food, you recognize the ingredients as unprocessed, organic, and nutritious,” Krebber said. It was a line that captured the sensory clarity of her approach. A steak with broccoli and olive oil, in her example, announced itself honestly. A processed keto bar did not.

The contrast between clean keto and dirty keto became the central architecture of the talk. Clean keto, she argued, accounted for both micronutrients and macronutrients. Dirty keto focused almost exclusively on carbohydrate counts while ignoring vitamins, minerals, additives and the metabolic effects of highly processed ingredients.

A Rejection Of The Factory Diet

Part of Krebber’s appeal has long been that she frames nutrition not only as biochemistry but as common sense. During the presentation, she repeatedly returned to the idea that modern food manufacturing had obscured what people were actually eating.

Processed “keto” products, she warned, could contain polyunsaturated industrial oils, synthetic additives and high-glycaemic fillers such as maltodextrin or tapioca starch, ingredients she said undermined the very metabolic stability keto was meant to provide. Such products, despite the marketing, belonged to the same industrial food system that had helped drive insulin resistance and overeating in the first place.

Her answer was a return to what she called species-specific food. “On a clean keto diet, we eat species-specific food. We are happy to eat the happy cow and become happy ourselves,” she said, in a phrase that mixed humour with a serious point about food quality, animal diet and nutrient density.

Grains, in this framework, were out not only because they were starchy and poorly suited to ketosis, but because they were, in her view, nutritionally weaker than animal proteins and non-starchy vegetables. Soy, too, came under criticism, particularly in its highly processed forms.

Longevity, Satiety And The End Of Overeating

For all the cultural charge around keto, Krebber’s argument about longevity rested on a relatively straightforward claim: whole-food ketogenic eating supports satiety, and satiety helps prevent the chronic overeating that contributes to insulin resistance and disease.

Her examples were practical rather than abstract. It was hard, she said, to overeat a plate of steak and broccoli. It was far easier to consume large amounts of hyper-palatable processed keto snacks. In that observation lay a broader criticism of modern food design. The problem was not simply carbohydrates. It was the industrial engineering of appetite.

Krebber also singled out what she described as one of the most damaging dietary combinations: refined carbohydrates paired with polyunsaturated fats. Clean keto, she argued, removed both and thereby reduced a key source of metabolic stress.

The Mitochondria Argument

The strongest scientific note in the presentation came when Krebber turned to mitochondrial health, a recurring theme in longevity circles. “The ketogenic diet improves the function of your mitochondria and increases their count. Since many chronic diseases are based on mitochondrial dysfunction, keto is a powerful tool for longevity,” she said.

It was a bold claim, but one that fit squarely within the event’s biohacking ethos, where cellular energy, resilience and metabolic flexibility are treated as foundational to long-term health. In Krebber’s account, keto was not merely a fat-loss strategy. It was a way of shifting the body toward a steadier and potentially more efficient fuel system.

That argument led naturally to her defence of dietary fat.

“Fat is the most neutral macronutrient when it comes to blood sugar and insulin stability. By getting your energy from fat, you maintain the internal stability necessary for a long and happy life,” she said.

The wording was simple, but the logic was central to her case. A diet built around fat, she suggested, reduced glucose volatility, moderated insulin demand and helped create the biochemical steadiness associated with metabolic health.

Cholesterol, Mood And The Risks Of Aging

Krebber also moved into more contested terrain, particularly when discussing cholesterol and aging. She maintained that higher cholesterol in older populations could be protective, and argued that ketogenic diets often improved the ratio by raising HDL and lowering triglycerides. In her framing, that metabolic pattern lowered the likelihood of cardiovascular disease rather than increasing it.

Mental health formed another strand of the longevity case. Krebber noted that people with mental health problems often have shorter lifespans, not primarily because of suicide, but because of elevated risks of cardiovascular disease and dementia. Here again she cast keto as a stabilising intervention, one that could support mood while simultaneously addressing broader physiological risk.

This was where her language widened from metabolism to quality of life. Longevity, she implied, was not just about surviving longer. It was about preserving clarity, emotional steadiness and independence.

The Muscle-Sparing Promise

Toward the end of the talk, with time running short, Krebber touched on one of the most practical aspects of aging well: muscle preservation.

“The keto diet is muscle-sparing, and it is important to have strong muscles as you age. Maintaining your strength ensures you stay resilient and recover quickly from any challenges life throws at you,” she said.

It was a reminder that longevity is not measured only in biomarkers but in falls avoided, fractures prevented and recoveries made possible. In older age, muscle is a form of insurance. Krebber’s point was that metabolic health and physical resilience are inseparable.

A Philosophy As Much As A Food Plan

What emerged from Krebber’s presentation at Biohacker Summit 2022 Helsinki was not just a defence of ketosis, but a defence of discernment. Her message was that the label “keto” had become too broad to be meaningful on its own. One ketogenic diet could be built on industrial shortcuts and synthetic ingredients. Another could be rooted in whole foods, satiety, nutrient density and metabolic steadiness.

For Krebber, only the latter deserved to be associated with longevity.

In an era when dietary identities are often flattened into slogans, she made a more nuanced distinction. Restricting carbohydrates, she suggested, was merely the beginning. The deeper question was what replaced them, and whether that replacement came from a field, a pasture and a kitchen, or from a factory.

That was the essential tension in her talk, and perhaps the reason it resonated. Krebber was not simply telling an audience in Helsinki how to eat less sugar. She was asking them to recognise food again.

Frequently asked questions

What does Elviira Krebber mean by clean keto?

A familiar macronutrient structure of high fat, moderate protein and low carbohydrate, but with the insistence that macros alone are not enough. The substance of the diet comes from food close to its source: natural animal fats, complete animal proteins and low-carbohydrate vegetables.

What is her objection to keto products?

That manufacturing obscures what people are actually eating. Processed keto products, she warned, can contain polyunsaturated industrial oils and synthetic additives, which makes the label a poor guide to whether a diet is doing what its name suggests.

How does she connect keto to longevity?

Through satiety rather than anything exotic. Whole-food ketogenic eating supports satiety, she argued, and satiety helps prevent the overeating that drives the metabolic problems the diet is meant to address.

About the event

This recap is part of the Biohacker Summit 2022 Helsinki series, recorded in Helsinki on 3 and 4 June 2022. Read the summary of the whole event or join the next edition, HOLOLIFE Summit 2026 Amsterdam, on 14 and 15 November 2026.