The Longevity Guide
Evidence-based answers to your most important questions about living longer and healthier
Explore our comprehensive guides covering the science of aging, biological age, supplements, diet, exercise, and more.
What is Longevity?
Understanding healthspan, lifespan, and why living longer matters
Biological vs Chronological Age
Why your biological age matters more than your birthday
How to Slow Aging Naturally
Evidence-based lifestyle interventions that actually work
Longevity Supplements
What the science says about NMN, Vitamin D, Omega-3, and more
Blue Zones
Secrets from the world's longest-living populations
Intermittent Fasting
Benefits, risks, and how to get started safely
Epigenetic Age Tests
Are biological age tests worth it? What the science says
Exercise for Longevity
The best types and amounts of exercise for a longer life
Sleep and Longevity
Why quality sleep is essential for healthy aging
The Longevity Diet
What centenarians eat and what science recommends
Longevity for Women
Women's healthspan, hormonal aging, and evidence-based strategies
Sauna and Longevity
What Finnish cohort research shows about sauna frequency, cardiovascular health, and lifespan
GLP-1 and Longevity
Semaglutide, tirzepatide, and the longevity question — what current evidence actually shows
NMN in Germany & the EU
Legal status of NMN under EU Novel Food regulation — what's sold, what isn't, and what it means for consumers
Bryan Johnson & Blueprint (DACH Perspective)
What the Blueprint protocol contains, what the evidence says, and what's realistic for people in German-speaking countries
Huberman Protocols (DACH Perspective)
Andrew Huberman's most-discussed protocols — light, sleep, cold, NSDR, training — with evidence check and DACH-context notes
Peter Attia & Outlive (DACH Perspective)
The Four Horsemen, Medicine 3.0, and the Centenarian Decathlon — Attia's framework explained for a DACH audience
HRV and Longevity Wearables
Heart rate variability with Whoop, Oura, Garmin, Polar — how to measure, compare, and actually act on your HRV data
Cold Exposure and Longevity
Ice bath, cold plunge, cold shower — what research shows about cold exposure, brown fat, and healthspan
Rapamycin and Longevity in Germany
The mTOR hypothesis, animal and early human data, and the legal status of rapamycin for off-label longevity use in Germany
Heilpraktiker and Longevity
What German Heilpraktiker can and cannot offer in a longevity context — the legal framework and how it differs from physicians
Self-Pay Longevity in Germany
Which longevity services German statutory insurance covers, which you self-pay, typical prices, and whether private insurance is worth it
Biological Age Tests and German Health Insurance
Are biological age tests covered by Krankenkasse? What GKV and PKV pay for, IGeL pricing, and how to choose self-pay test providers
Discover Your Biological Age
Take our free AI-powered photo test to estimate your biological age in seconds
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