Your Healthspan Journey Starts Here
Evidence-Based12 Health Guides.
Completely Free.
Evidence-based guides on VO2 Max, Zone 2 Training, Sleep, ApoB & Cholesterol, Creatine, and more — delivered free to your inbox.
Featured Guide
VO2 Max
Measure your aerobic fitness
THE PERFORMANCE GAP
Most people don't improve their health — even when they try.
No Clarity
Conflicting advice from generic influencers leaves you guessing about what actually works for your biology.
No Priority
Attempting to fix everything at once leads to burnout. You need to know which lever to pull first for maximum impact.
No Tracking
Without a structured measurement system, you're flying blind. Improvement requires clinical-grade metrics.
Science that fits in your pocket.
Each guide distills the latest clinical evidence into clear, actionable steps — no jargon, no guesswork, just what works.
VO2 Max
OptimalFeatured Guide
Zone 2 Training
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Regular aerobic training is associated with significantly reduced mortality risk
Protein
Build and preserve muscle at every stage of life
Insight of the month
ApoB is considered a stronger predictor of cardiovascular disease than standard LDL.
ApoB & Cholesterol Guide
4 Pillars of Healthspan
12 guides covering fitness, metabolism, sleep & cognition
Protein
Optimal intake to build and preserve muscle at every age
VO2 Max
The single best predictor of long-term health and longevity
Sleep Consistency
Consistent sleep timing is associated with better cognitive performance
ApoB & Cholesterol
Considered a stronger predictor of cardiovascular disease than standard LDL
Zone 2 Training
Significantly lower all-cause mortality with regular training
Creatine
One of the best-studied supplements in sports science
Protein
Optimal intake to build and preserve muscle at every age
VO2 Max
The single best predictor of long-term health and longevity
Sleep Consistency
Consistent sleep timing is associated with better cognitive performance
ApoB & Cholesterol
Considered a stronger predictor of cardiovascular disease than standard LDL
Zone 2 Training
Significantly lower all-cause mortality with regular training
Creatine
One of the best-studied supplements in sports science
WHAT YOU'LL RECEIVE
12 guides across the pillars of healthspan
Evidence-Based Clarity
No more conflicting advice
Each guide distills clinical research into plain language — so you know exactly what to do and why it works.
Structured Priorities
Focus on what moves the needle
Covers the 4 pillars of healthspan — FITNESS, RESERVE, RESET & FLOW — so you know which lever to pull first.
Measurable Progress
Track what actually matters
Every guide includes clinical-grade metrics and biomarkers to measure — so improvement becomes visible and real.
"Making prevention understandable and accessible is exactly what modern medicine needs."
Dr. med. Claudia Hennig, MSc
Chief Medical Officer, CHIRAYOU
12 Guides across 4 Pillars