Body composition scales
Track body composition trends at home between lab visits.
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Published biological-age methods
BioAgeIQ
A technical reference of methods used to estimate biological age.
Method catalog
Compare the published methods
Each record is generated from the same structured source used across the catalog.
PhenoAge (Levine Phenotypic Age)
blood-based- Published
- 2018
- Sample/input
- blood (serum/plasma, routine CBC + chemistry panel)
- Output
- PhenoAge (years); Phenotypic Age Advancement (PhenoAge minus chronological age)
- Open/commercial
- open
GrimAge
epigenetic- Published
- 2019
- Sample/input
- blood (DNA methylation, Illumina array)
- Output
- GrimAge (years); DNAm-based mortality risk estimate
- Open/commercial
- both
DunedinPACE
epigenetic- Published
- 2022
- Sample/input
- blood (DNA methylation, Illumina array)
- Output
- Pace of aging (ratio; 1.0 = one year of biological aging per calendar year)
- Open/commercial
- open
Klemera-Doubal Biological Age (KDM)
blood-based- Published
- 2006
- Sample/input
- blood (routine chemistry panel; panel composition varies by implementation)
- Output
- Biological age (years)
- Open/commercial
- open
GlycanAge
blood-based- Published
- 2014
- Sample/input
- blood (plasma/serum IgG glycan analysis)
- Output
- GlycanAge score
- Open/commercial
- commercial
- Published
- 2023
- Sample/input
- retina (fundus image)
- Output
- Retinal age; retinal age gap (retinal age minus chronological age)
- Open/commercial
- open
Optional equipment
Home measurement tools
Browse broad equipment categories without product rankings, prices or claims about changing a biological-age result.
Blood pressure monitors
Track blood pressure trends over time at home.
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Track activity and sleep trends day to day.
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