Research
Mixed
DNA methylation patterns (epigenetic clocks) are among the best-studied and most accurate molecular biomarkers for predicting chronological age.
DNA methylation tests (epigenetic clocks) are currently the most reliable molecular tool for estimating your biological age, with some tests achieving an error margin of less than 5 years.
StrongSupportsHIGH confidence
Age-related changes in DNA methylation patterns, notably as measured by the epigenetic clock, are among the best-studied aging biomarkers.
Why this rating
Cited as 'best-studied' with specific high-accuracy metrics from large studies.
Source
Molecular and phenotypic biomarkers of aging
Xian Xia et al. · F1000Research · 2017
DOI 10.12688/f1000research.10692.1
narrative_reviewCited 189×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Quantitative molecular and phenotypic biomarkers (e.g., DNA methylation, telomere length, physical function) can accurately measure physiological age and predict healthspan and lifespan.Good
- Physical function and anthropometric measurements (e.g., walking speed, grip strength) are practical phenotypic biomarkers that can perform better than DNA methylation in predicting health status.Good
- Integrating multiple biomarkers (molecular and phenotypic) using statistical or machine learning algorithms provides a more powerful prediction of physiological age than single biomarkers.Good
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