PhenoAge Blood Calculator
Levine's PhenoAge — a validated biological-age estimate from 9 routine blood markers.
Tool 21 · 3 min · Awaiting clinical review
Preview — awaiting clinical review
This calculator uses a published method but hasn't yet been signed off by our clinical team. It isn't listed publicly until it has been.
Your result will appear here.
How this works
- Model
- Levine PhenoAge (v2018)
- Source
- Levine ME et al. An epigenetic biomarker of aging for lifespan and healthspan. Aging (Albany NY) 2018;10:573–591. — reference
- Intended use
- Biomarker-based biological age estimate.
- Population
- Adults 20+ (derived in US NHANES)
- Limitations
- Derived in US data; UK calibration not established.
- Sensitive to acute illness.
- Requires all 9 markers from one blood draw.
- Status
- Awaiting clinical review · methodology checked 3 November 2026
Educational self-assessment — not a diagnostic test. Results are based on published research and population data and can't account for everything about you. They are not a diagnosis and don't replace advice from a healthcare professional. If you're worried about your health, speak to your GP or call NHS 111.