Topic hub

Performance

The whole knowledge base becomes visible in one afternoon of training: light, sleep and meal timing all show up in the session. The quiet foundations earn the strongest agreement; the shiny aids are weighed honestly.

5 verdicts · updated monthly

The verdicts in this hub

Answer first, label earned, receipt attached.

Zone 2 training most days

Easy conversational cardio is the single best investment in your mitochondria.

Strong consensus

“Easy aerobic work is the most reliable stimulus we know for making more and better mitochondria. It is unglamorous and it works.”

an exercise physiology PhD · podcast episode · 00:37:55

Regular cold exposure

A few deliberate minutes of cold each week build resilience you can feel.

Recommended

“Cold is a clean, dose-able stressor. A cool shower finish or a winter swim asks the mitochondria to make heat, and they adapt by making more capacity.”

a thermal physiology PhD · podcast episode · 00:29:17

Creatine beyond the gym

Five grams a day is the best evidenced supplement in this whole knowledge base.

Recommended

“Creatine is the closest thing supplements have to a boring, dependable pension: decades of safety data and a benefit that quietly compounds.”

an exercise physiology PhD · podcast episode · 01:11:42

Training fasted in the morning

Our sources are genuinely split: a fat-burning lever for some, a stress tax for others.

Genuinely contested

“Easy sessions before breakfast teach the engine to burn fat, and that flexibility pays off in every long effort you ever do.”

an exercise physiologist · podcast episode · 01:02:19

Cycle-aware training and eating

Promising logic, young evidence, worth a gentle personal trial.

An early signal

“The hormonal logic is real, the individual variation is enormous, and the trial evidence is younger than the headlines suggest. Track your own pattern first.”

a sports endocrinology PhD · podcast episode · 00:31:26

The liveliest disagreement here

On training fasted in the morning, our sources are genuinely split.

One side

“Easy sessions before breakfast teach the engine to burn fat, and that flexibility pays off in every long effort you ever do.”

an exercise physiologist · podcast episode · 01:02:19

The other

“For women especially, hard sessions on empty add a stressor the hormones have to pay for later in the month.”

an endocrinologist · conference talk · 00:26:41

Still filling in

Our sources have not said much yet about altitude exposure, collagen for tendons, or beetroot before racing. As new talks and posts arrive each month, this hub will fill in.