biological-age
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The $10,000 Oil Change for Humans: How Circulate Sold Blood Cleaning Before Longevity Was Proven
Circulate turned a decades-old hospital procedure into a private-pay longevity service, raised $12 million and sold to Viome. Its smartest product may not be plasma exchange at all - it is the operating system that lets clinics offer a complicated treatment while the science catches up.
GlycanAge
GlycanAge is a UK-registered, Croatian-founded longevity biotech that measures biological age by analyzing glycans - sugar molecules attached to immune-system antibodies. Built on roughly two decades of glycobiology research led by Professor Gordan Lauc, the company turns a finger-prick blood sample into a report on how fast a person is aging at the molecular level, plus a specialist consultation to guide lifestyle changes. It sells directly to consumers and is expanding its glycan biomarkers into hospitals and preventive-care systems.
InsideTracker
InsideTracker is a Cambridge, Massachusetts personalized health and wellness company (legally Segterra, Inc.) that turns your blood, DNA, and wearable data into a science-backed action plan. Founded in 2009 by MIT-trained scientist Dr. Gil Blander, the platform analyzes dozens of blood biomarkers, estimates your biological 'InnerAge,' and recommends specific foods, supplements, and lifestyle changes to optimize performance, healthspan, and longevity. It has become a favorite of athletes and quantified-self enthusiasts and integrates directly with Garmin, Fitbit, Oura, and Apple devices.
Generation Lab
Generation Lab is a San Francisco longevity biotech building SystemAge, a diagnostic that measures how fast your body is actually aging rather than predicting a number. Using DNA methylation analysis of hundreds of biomarkers, it reports biological ages across roughly 19 organ systems from a blood sample, then hands clinicians an actionable plan to track whether interventions are moving the needle. Founded in 2023 by CEO Alina Rui Su, UC Berkeley aging researcher Dr. Irina Conboy, and operator Michael Suswal, the company raised an $11M seed in October 2025 led by Accel and works with 275+ clinics across roughly 18 countries.
Gero
Gero is a Singapore- and Palo Alto-based biotech company applying physics-informed AI to longitudinal human health data to find the root causes of aging and develop therapies for age-related diseases. Co-founded by physicist Peter Fedichev and entrepreneur Maxim Kholin, Gero has built a foundational model of human health trained on 100M+ medical records, and partners with major pharma including Pfizer and Chugai.