Free Biological Age Check from Blood Test Results

Calculate a preliminary PhenoAge for free using your chronological age and 9 lab values — you must have existing lab results and enter or attach them yourself

"Free" refers to the calculation only — lab test costs are not included

Results are for trend observation and do not constitute medical diagnosis or clinical advice

This data is not stored in any database and is used solely for biological age calculation purposes

What is biological age?

A one-minute explainer before you calculate your own PhenoAge below.

Video 1 Biological age is the true age of your cells, read from signals in the body rather than the number on a calendar. The clip explains how it differs from a routine health check, the three ways it can be measured, and where PhenoAge comes from — a calculation built on 9 standard blood values.

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Want your real number from a blood test?

Measure your biological age from a 9-marker blood panel using the PhenoAge formula — physician-reviewed report delivered within 7 days

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