How We Measure Aging

Stay up-to-date on latest anti-aging research from top longevity scientists.

Our Science-Backed Biological Aging Tests

PhenoAge

The PhenoAge Test gives you a biological age score. It is based on levels of 9 clinical biomarkers circulating in blood, which were found to strongly correlate with onset of age-related diseases and mortality.
It is a biomarker of aging developed in 2018 by a team including Dr. Morgan Levine, Dr. Luigi Ferrucci, and Dr. Steve Horvath.
Along with your biological age score, this test includes many well-established clinical biomarkers used by physicians and in clinical trials and can be useful for understanding your health status.
Requires a simple blood test that can be performed at a local lab anywhere across the U.S. or currently in select locations in the U.K.

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Epigenetic Age

Our epigenetic age tests predict your biological age (what some call “True Age” or “Real Age”) based on DNA methylation.
Specifically, we use GrimAge (an Epigenetic Clock), which has been found to strongly correlate with biological age and are a predictor of morbidity and mortality.
Developed in the Horvath lab at UCLA using historical biobank data from large population studies and validated in large independent studies across a wide variety of human cell types and tissues.
Beyond biological age, our epigenetic testing also predicts your immune system status and enables monitoring of immunosenescence (immune system aging).
Test requires a blood sample from a home kit collection and takes as little as 5-10 minutes, which is then returned for processing by express mail.

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Our Biological Age Tests

Measure Your Aging. Contribute to Longevity Research.

USA

All Other Countries

USA

PhenoAge Test

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$99 $ 75 One-Time Blood Test

Lab Blood Test
Biological Age Report
1-on-1 Longevity Consultation

Advanced 3-for-1 Biomarker Monthly Plan

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$250 $ 150 Monthly

PhenoAge Tests (4x per year)
GrimAge Epigenetic Tests (2x per year)
Monthly Wearables Aging Biomarker Report
Longitudinal Tracking Reports
Eligibility for Longevity Groups

(Epigenetic)
GrimAge Test

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$499 $ 325 One-Time DNA Test

At-Home Blood Test
Epigenetic DNA Methylation Analysis
Advanced Healthy Aging Report
1-on-1 Longevity Consultation

Special Offer

Founding Member

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£ 65/mo Monthly Subscription

Quarterly PhenoAge Testing
Epigenetic Age Testing - Every 6 months
Personalized Treatment Tracker
1-on-1 Longevity Consultation
Longevity Expert Community including monthly events

Monthly

Founding Member

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£ 695/yr One-Time Annual Fee

Quarterly PhenoAge Testing
Epigenetic Age Testing - Every 6 months
Personalized Treatment Tracker
1-on-1 Longevity Consultation
Longevity Expert Community including monthly events

Yearly

All Other Countries

We are not currently able to offer our subscription packages and biological aging tests to other countries besides USA or UK.

WARNING: TESTS INTENDED FOR RESEARCH PURPOSES ONLY

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to screen, diagnose, treat, cure, or prevent any disease or condition or assess risk of any disease or condition. Unless advised by your healthcare professional, biological age should not be used to determine or alter any age-related health or medical treatments based on your chronological age.