i bio Age
Discover your
i bio Age.
i bio analyzes metrics across sleep, activity, strain, HRV, and more to calculate your physiological age. See if your body is older, younger, or on pace with your chronological age.
What's measured:
Your Age Comparison
Chronological
years
i bio Age
3 years younger
Coach Insight
Your sleep consistency is your #1 driver. Maintain your current bedtime routine to keep trending younger.
Pace of Aging — 6 months
Your i bio Age is diverging from chronological — you're slowing your aging.
The Science of Longevity
Harness the science
of longevity.
Healthspan draws on peer-reviewed longevity research to score the behaviors that are most predictive of biological age — and tells you exactly which ones to improve.
Built in partnership with the Buck Institute for Research on Aging — the world's leading independent longevity research center.
Science Partnership
Buck Institute for Research on Aging
Global leader in longevity science
Going to bed within 30 min of your target 6/7 nights.
Resistance training 2+ days/week with progressive overload.
VO2 Max estimate and weekly Zone 2 training hours.
Resting HR trending toward optimal range for your age.
HRV tracking above your 90-day rolling baseline.
8,200 avg. Optimal range is 8,000–12,000 for longevity.
Estimated from strain patterns, RHR, and activity data.
7h 22m avg. Consistent with longevity research targets.
Understand your age
See your i bio Age calculated from real physiological data — not just a number on your birth certificate.
See your Pace of Aging
Discover how fast, or slow, your body is biologically changing over time. This dynamic measure reflects your recent habits.
Build lasting progress
As your habits improve, your i bio Age changes. With sustained effort, you can trend years younger than your chronological age.