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
Discover Your Biological Age
Take our free AI-powered photo test to estimate your biological age in seconds
Take the Test