ZzzQuil Sommeil: review, effectiveness and side effects
ZzzQuil Sommeil review: actual melatonin dose, expected effectiveness, side effects and daily use. What the box doesn't tell you.
Read the analysisThe biohacking register
Analyses, protocols and critiques to distinguish useful signals from noise in nutrition, sleep, performance and supplementation.
Recent features
Best smart rings: a comparison without the marketing
Rings, WHOOP, watches and glucose: compare measurements, subscriptions, dated official prices, accuracy, sleep, sport, cycle tracking and privacy.
NZT-48: does the Limitless pill really exist?
NZT-48 exists only in Limitless and on marketing labels. The untapped-brain myth, a product audit and the real limits of modafinil.
Creatine and headaches: the real link and what to do
Creatine and headaches: check the link, other causes and when to seek medical advice. For migraines, distinguish between creatine, caffeine and loading doses.
Insulin resistance: which diet should you choose?
What should you eat with insulin resistance? Foods to prioritize, swaps, breakfast and menus. Compare diets and their limitations.
Nighttime HRV: what value is normal during sleep?
Nighttime HRV: 20, 40 or 80 ms is not enough to judge your health. Compare your baseline over 14 to 21 nights, devices and signs to watch for.