The Ice Bath Protocol
How cold, how long, and when to do it — backed by the actual research.
Cold water immersion is one of the most-cited recovery practices in longevity circles. This is the exact protocol — water temperature, duration, and timing — used in published studies, not internet guesswork.
What's inside
- 01The exact water temperature
The specific range used in published cold-immersion research — not "as cold as you can stand it."
- 02How long to stay in
A staged week-by-week progression so you build tolerance safely instead of overdoing it on day one.
- 03The best time of day
Why morning cold exposure pairs with your body's natural cortisol rise — and what changes if you do it later.
- 04When NOT to do it
A published finding on timing around strength training that most cold-plunge content ignores completely — and the wait time it actually calls for.
Questions
A cold water immersion study (Šrámek et al., European Journal of Applied Physiology, 2000) found noradrenaline rose roughly 530% and dopamine roughly 250% after a one-hour, 14°C immersion. A more recent trial (Kelly et al., Lifestyle Medicine, 2022) found a single 19-minute cold immersion significantly improved mood scores vs. a control group.
No. This is a practical protocol based on published research — it doesn't replace a real consultation. Every product carries a medical disclaimer.
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