Healthy Ageing & Longevity - Longevity claims
Biological-age and epigenetic tests
Last reviewed 3 August 2026. How we write this .
Commercial biological-age tests estimate patterns in selected biomarkers; they do not reveal a precise expiry date or prove an intervention reversed ageing.
Start here Commercial biological-age tests estimate patterns in selected biomarkers; they do not reveal a precise expiry date or prove an intervention reversed ageing.
By the end, you will understand A changing score can reflect measurement noise or short-term biology rather than rejuvenation Epigenetic clocks and multi-marker scores are valuable research tools, but consumer interpretation is limited by calibration, repeatability and unclear clinical action.
Questions before paying
Was the test validated in people like you? How variable is a repeat result? Does a lower score predict a meaningful health outcome? Would the result change evidence-based care? A changing score can reflect measurement noise or short-term biology rather than rejuvenation.
Educational content only. This does not diagnose a condition or replace assessment and advice from a qualified healthcare professional.
Related in this classroom
Sources for this classroom
Educational content only. Not medical advice, diagnosis or treatment. Always consult a qualified healthcare professional before changing your health regimen.