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Protocol$$$Expensive: Several hundred dollars and up.

Whole-body cryotherapy

Two to three minutes standing in a chamber cooled by liquid nitrogen vapor

Nitrogen-cooled air at somewhere between minus 100 and minus 150 degrees Celsius, for two to three minutes, standing in a chamber with your head out or fully enclosed. Gloves, socks, a hat and often a mask stay on, because exposed skin is the limiting factor. Athletes and actors book it after training for the reasons people use ice baths: it feels good afterwards, soreness eases, sleep comes more easily. Controlled evidence for muscle recovery is mixed and the effect is short-lived, so it sits alongside a training program rather than replacing anything in it. Studios in most cities sell sessions, at a price well above a cold plunge at home.

Who backs it

Sorted by strength of stance

Other entries filed under fitness or sleep.

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    Backed by 3 of 44 stacks: 2 do it, 1 recommend it, 0 have discussed it
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    Backed by 37 of 44 stacks: 32 do it, 3 recommend it, 2 have discussed it
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    Backed by 19 of 44 stacks: 11 do it, 5 recommend it, 3 have discussed it
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    Backed by 16 of 44 stacks: 10 do it, 3 recommend it, 3 have discussed it

Protocol entry · notes paraphrased from cited sources, quoted excerpts copied from the transcript they link to. Not medical advice. Not affiliated with, endorsed by, or reviewed by anyone listed. How this works.