Biological-age methods: inputs and outputs.
Four selected methods, not a ranking. An age estimate and a pace-of-aging measure are different outputs; these rows are not interchangeable test results.
Source snapshot: 2026-08-30. Figure version: 2026-08-30.1.
Table and explanation: https://stemcellatlas.com/en/compare/biological-age-tests-compared
Figure: https://stemcellatlas.com/en/data/longevity-comparisons#biological-age-methods
Sources:
https://pmc.ncbi.nlm.nih.gov/articles/PMC4015143/
https://pmc.ncbi.nlm.nih.gov/articles/PMC5940111/
https://pmc.ncbi.nlm.nih.gov/articles/PMC8853656/