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.
Nikolina Lauc
Nikolina Lauc is co-founder and CEO of GlycanAge, a UK-based longevity diagnostics company built on two decades of glycobiology research from her father's laboratory in Zagreb. A serial entrepreneur since 18, she runs a business that translates a blood-based glycan test into a biological age readout, and she has become one of the more visible operators pushing preventive-health testing into the consumer market.
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.
Alina Su
Alina Su is the co-founder and CEO of Generation Lab, a San Francisco longevity startup building an at-home cheek-swab test that measures biological age across organs and systems. She got her first medical device patent at 15, founded the needle-free injection company NovaXS, left a Harvard Medical School PhD to commercialize aging science from UC Berkeley's Conboy Lab, and made Forbes 30 Under 30 in 2023. Generation Lab has raised about $11M and counts geneticist George Church and Aubrey de Grey among its advisors.
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.
Peter Fedichev
Peter Fedichev is a theoretical physicist turned longevity entrepreneur who co-founded Gero, a biotech AI company applying physics-based generative AI models to crack the root causes of aging. A former top-2 cited Russian physicist under 35, he traded quantum gases for aging clocks, building a platform that predicted biological age from wearable data before it was fashionable, secured a Pfizer collaboration, and landed a potential $250M deal with Chugai Pharmaceutical (Roche Group) in 2025 - all while publishing over 75 scientific papers and winning a $10,000 prize for winning a public debate on defeating aging.