Recovery

The science-backed supplements that actually improve athletic performance — and why most others are a waste.

🎧 Listen to this article Your browser does not support the audio element. Cold water immersion at 10–15 °C for two to five minutes raises norepinephrine by 200–300 % and lowers inflammatory markers IL-6 and CRP in athletes (de Freitas et al., 2019). Finnish-style sauna use (80–100 °C, 15–20 minutes, two to three times weekly) is linked to reduced cardiovascular mortality across 20 years of cohort data. Box breathing in a 4-4-4-4 pattern reliably improves heart rate variability and lowers cortisol in clinical settings. ...

🎧 Listen to this article Your browser does not support the audio element. Does cold exposure actually reduce inflammation? Cold water immersion increases norepinephrine by 200–300%, which is why you feel wired after a cold shower — that’s neurochemistry, not placebo. A 2019 study on volleyball players found that successive-day cold water immersion reduced inflammatory markers IL-6 and CRP (de Freitas et al.). The dose that works: 2–5 minutes at 10–15°C, two to three times per week. ...