The Power of Shared Discovery
Aging research moves faster when people share what they learn. Here's how our community makes that happen.
Discover What's Working for People Like You
When friends share their longevity protocols and test results, you see which interventions have real evidence behind them — not just marketing claims.
Get Insights From People You Trust
Share your biological age results with your doctor, health coach, or partner so you can make better decisions together about what to try next.
Track Progress Together
Study groups reveal patterns no individual can spot alone. See how a treatment affects biological age across dozens of people, not just one.
Disease-Specific GrimAge Monitoring
GrimAge is especially responsive to major health interventions. Join the cohort most relevant to your situation and track biological age changes over time.
GLP-1 & Obesity
Track biological age changes with semaglutide and tirzepatide treatment.
Smoking Cessation
Track biological age recovery after quitting — the largest known effect on GrimAge.
Menopause & HRT
Monitor hormonal transition effects and HRT impact on biological aging.
Sleep Apnea (CPAP)
Track CPAP treatment effects on biological age and sleep-related aging markers.
Join a Community-Led Longevity Study
Our flagship Ca-AKG study is enrolling now. Participants receive biological age testing, wearables integration, and group-level analysis — all designed to answer a simple question: does it actually work?
Learn More About Open StudiesWhat Participants Get
3 PhenoAge Blood Tests
Baseline, midpoint, and endpoint biological age measurements
Wearables Tracking
Connect your fitness tracker for continuous health monitoring
Monthly Reports
Detailed biomarker reports with personalized aging insights
Group Analysis
Comprehensive group-level results and statistical analysis
Popular Protocols
The most-forked longevity protocols in our community.
Clock Foundation
Clock Foundation is a nonprofit longevity research organization founded by Dr. Steve Horvath (creator of the Horvath Clock and GrimAge) and Bobby Brooke. Our mission is to accelerate longevity research through community-driven studies and accessible biological age testing.
Learn more about our researchYour Longevity Journey Starts Here
Whether you want to analyze your longevity protocol, join a study group, or share results with your doctor — we've built the tools to help.