We buy the gear. We use it for months. We tell you what's worth your money — and what's not.
Four pillar guides covering everything we've learned about cold therapy, sauna, sleep, and longevity.
Everything we learned from testing 7 cold plunges over 18 months. Which ones work, which ones are marketing, and what protocol actually delivers benefits.
Read the guide →Brands worth your $3,000+, brands that aren't, and the real differences between infrared and traditional saunas that nobody explains clearly.
Read the guide →Oura vs Whoop vs Eight Sleep vs Ultrahuman. Real data from months of parallel testing. Who wins for athletes, sleep optimizers, and everyone in between.
Read the guide →NAD+, NMN, creatine, magnesium, omega-3 — what the research actually supports versus what's hype. The four supplements with real evidence behind them.
Read the guide →Eight deeply-tested articles on cold plunges, protocols, and DIY builds.
Infrared vs traditional, hands-on reviews of premium and budget options.
Smart rings, recovery wearables, and sleep tech tested in long-term parallel.
What the research actually supports for human optimization.
One short email per week. New product reviews, what we're testing now, and the one piece of recovery research worth your time. No spam, no upsells.
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