Zen Strength
Jason RyerActionable, AI-powered biohacks (breathwork, cold exposure, sleep) to boost energy, build stress resilience, optimize sleep, enhance productivity, and reclaim time—delivered with expert guidance by the "AI Health Guy"—Jason Ryer jasonryer.com
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 81 | Subscribers | Read | jasonryer.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
The Strange Side Effect of Ice Baths (That Science Loves)
Cold Therapy for Sleep, Fat Loss, and Energy: What Actually Works
Why You Shouldn’t Combine Sauna With Red‑Light Therapy
I’m back with an unpopular opinion that might challenge your current wellness routine.
This Freaky Light Show Can Hack Your Brainwaves (No Drugs Required)
What if you could experience altered states
What I’m Stealing (and Skipping) from the World’s Most Obsessed Biohacker
The first time I heard about Bryan Johnson, I was skeptical.
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Other publications recommended by the authors of this newsletter.
Authors
The writers behind this newsletter.
Jason is founder of Zen Strength & guides ice baths, breathwork & Sleep Masterclasses. Zen Strength shares energy, sleep & AI hacks weekly. Join here: https://jasonryer.com/substack Includes: 10m Energy Boost & Sleep Cheat Sheet
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