Modern cycling nutrition is eating your career.

There are many subjects where I do not feel fully competent. Nutrition is not one of them.

Not the science of nutrition — that field has its own credentialed experts. What I know is what happens when an athlete builds his life around a regime of nutritional precision across twenty years. I built versions of these systems for myself before any team was operating one. I weighed food, counted calories, tested every diet protocol you can name. Alone. By choice. With the discipline of a young rider who believed precision was the path.

I came out the other side. I know what the bill looks like.

Not every rider who follows the modern regime will pay it. Some will. Many will pay smaller, slower versions of it across the post-peak phase of their careers, and never connect the cause to the regime, because by then the conversation has moved on to other explanations. This piece is my view of what the regime is, what it does to the body and mind and emotions of the rider it touches, and what to do instead.

The regime

The regime is now standardized across most of the World Tour. Custom meal plans distributed through team applications. Daily macros assigned. On-bike fueling specified by the minute. Pre-race weighing. Recovery nutrition measured to the gram. The justification is precision. The justification is science. The justification is marginal gains compounded into the win.

In a typical day, a rider wakes and opens an application. He sees his caloric target, his macro split, the timing of his meals. He weighs his oatmeal on the team scale before breakfast and logs the intake. He pre-loads carbohydrate for the ride and logs it. During the ride he consumes a specific number of grams of carbohydrate per hour and tracks each gel. After training, intake and recovery are tracked the same way, and the next day's plan is adjusted accordingly.

The regime is never the suspect

When a rider's performance drops, the cause is found elsewhere. A virus. A poor night. A phase of life. An age curve. A head not at the level. The rider absorbs the explanation. He trains harder, eats more cleanly, weighs more carefully, follows the application more strictly.

This is the loop the system depends on. The regime must remain innocent. If the regime is the cause, the team's nutrition infrastructure has no remaining frame. So the regime stays. The rider becomes the problem.

Even inside sport science, the loop is now being noticed. Recent reviews argue that energy availability cannot be accurately measured in field conditions, and that the diagnostic logic of RED-S becomes self-confirming. Other studies have shown that even fourteen days of low energy availability produce performance decline that does not recover after three days of full refueling.

What the body does under the regime

The body under the regime loses its own signals. This is the part the regime cannot admit — not because it is hiding it, but because measurement, by its nature, replaces signal. The rider who weighs his food does not need to know when he is satisfied; the application has decided. The rider who logs his macros does not need to know when he is hungry; the schedule has decided.

After a few weeks of this, the signals do not return on demand. The rider cannot eat in a restaurant where the calories are not posted. He cannot eat at a friend's house without anxiety. He cannot eat anything he has not measured. This is not discipline. This is dependence on an external instrument for a capacity the body had at birth.

The autonomic nervous system stays elevated alongside. The body locked in constant calculation, the mind locked in constant control, never gives the system permission to drop into the parasympathetic state — and the parasympathetic state is where the work of the day is actually absorbed. Adaptation. Regeneration. Tissue rebuilding. The integration of training. A rider whose nervous system has not dropped into rest for months trains hard and accumulates the work, but cannot absorb it. The performance ceiling lowers because the system can no longer convert effort into adaptation.

The metabolic system narrows alongside. In many of the top World Tour riders I know, morning metabolic cart readings show fat oxidation at near-zero. They are full-time carbohydrate burners. This does not concern them, because they have unlimited carbohydrate available. It begins to concern them later, when something fundamental about their fueling stops working, and they cannot find the source.

For the smaller group who go further into actual energy deficit, the cost is sharper — hormonal suppression in both sexes, cortisol elevation, sleep degradation, small injuries that become chronic, small infections that last weeks. That is a serious condition with its own literature, and is not the central focus here. The central focus is the wider population: the rider whose body never crashes in the visible way, who simply, across years, becomes less able to live a normal life around food. Less able to be present at a family dinner. Less able to be a person who eats. More able only to be an athlete who calculates.

What I am not saying

Before going further, let me be clear about what I am critiquing and what I am not. I am not against measurement. I am not against precision. I am not against marginal gains, lower body fat percentage, full glycogen stores, or optimizing body composition. These tools work when they sit inside an athlete who knows his own body. Used well, they move performance.

What the mind and emotions do under the regime

The mind under the regime narrows. When every meal is weighed, every macro logged, every gram timed to the minute, the cognitive load of food becomes constant. The thinking is obsessive, repetitive, circular, anxious. This is perfectionism trained as a competitive advantage — the system selects for it, the team rewards it, the discipline ratifies it. What it does not name is what happens underneath: decision-making narrows, mental flexibility flattens, and the rider who organized his mind around perfect macro intake is the one who breaks first when the plan stops working at kilometer one hundred and eighty in heat.

For some of the riders who go into the regime hardest, the motivation is not nutrition. It is a pattern that predates cycling: I am worth something when I produce a result. A rider built on this pattern does not eat to fuel his body. He eats to deserve the outcome. The application becomes a moral instrument — compliance is evidence of being serious, deviation is evidence of weakness. When the result does not come, he does not say the regime failed. He says, I failed. He intensifies. He cuts another gram. He believes the application more, and his body less.

One loop, not three problems

In my view, the physical, mental, and emotional under the regime are not three separate problems. They are one loop. The body whose signals have been overwritten stays anxious, because food no longer feels like food — it feels like a calculation that might go wrong. The anxious mind reaches for the application as a source of certainty. The certainty quiets the pre-existing pattern temporarily. The pattern is fed by the appearance of doing it right. Doing it right deepens the regime. The regime deepens the loss of body signal. The loss of signal increases the anxiety. The loop closes.

The loop is stable because each component validates the next. This is why measurement-based interventions cannot fix it. You cannot solve a loop by becoming more precise inside the loop. It is broken only from outside it, by relocating the rider's relationship to his body from external instrument to internal signal.

What to do instead

The point is not a better meal plan. A rider who arrives in this sport needs body literacy before he needs macros. He needs to know what his body says when it is hungry, satisfied, tired, sick — what these signals feel like in his actual body, in real time, without an application telling him what they should feel like.

This literacy is teachable. Varied fueling. Meals without measurement. Conversation about what the body said today, not whether today's intake hit the target. The young rider should develop a baseline of self-knowledge before the regime is allowed to overwrite it. After body literacy is established, tools can be introduced — as servants, not masters.

The coach should know what the pattern looks like under pressure — the difference between a rider who is disciplined and a rider who is disappearing. The team that wants to last across a generation should not begin with an application. It should begin with a culture that respects the rider's autonomy over his own body. The application is fine, eventually. Eventually is after the body literacy. Not before.

This is the lie. Not that the application is wrong about a number — the number may be right. The lie is that the number is more important than what your body has been trying to tell you for weeks. The work is not to throw the tools away. Tools have their place. But no tool knows you. Not your nutrition app. Not your power meter. Not your sleep tracker.

Your body knows.
You came first.

The doors are always open.

— Jani