Mark Hyman, M.D.
Co-Founder and Chief Medical Officer.
160+ lab tests
Total each year
Whole body
Tested 2x per year
<$1 per day
Special pricing available
People are suffering. Everyone is paying for it.
There’s another way. Health starts before healthcare.
-
6 out of 10
adults have at least 1 chronic disease.*
4/10 have 2 or more
-
$575B
lost in productivity each year.*
1.5B lost workdays each year
-
40%
of deaths under age 80 may be avoidable.*
~99% survival rate for Stage 1 cancer
Health intelligence. Designed for action.
Give your clients a clearer view of employee health and their employees more ways to act on it.
See more
Surface health signals before they show up in claims
Know more
See aggregate health trends across the workforce
Do more
Connect that information with claims data to help clients make a more informed benefits strategy
Action drives outcomes
Members are using what they learn and seeing a difference in their health and at work. That can add up to healthier, more engaged teams over time.
- 82% said Function helped them improve their health
- 61% improved their ability to prevent or manage chronic conditions
- 44% felt more energized and focused at work
9 out of 10
members took at least one action after receiving their results.
Monitor early indicators of 1000s of diseases
Establish your long-term baseline
Tracked for life
Monitor how your body changes
AnemiaGoutCeliac diseaseAddison's diseaseInsulin resistanceFatty liver diseasePancreatic cancerOvarian cancerSickle cell diseaseSjögren's syndromeDiabetesRheumatoid arthritisMold toxicity
HypogonadismLupusCoronary artery diseaseHypothyroidismAlzheimer's diseaseHemochromatosisPCOSChronic kidney diseaseHashimoto's thyroiditisProstate cancerLead toxicityGraves' disease
Built with the world's top doctors
Function’s Medical & Scientific Board
Daniel Sodickson, M.D., PhD
Chief Medical Scientist at Function. Former Chief of Innovation in Radiology at NYU Langone.
JoAnn E. Manson, M.D., MPH, DrPH
Chief of Preventive Medicine at Brigham & Women's Hospital. Professor at Harvard.
Andrew Huberman, PhD
Professor of Neurobiology at Stanford School of Medicine.
Toby Cosgrove, M.D.
Former CEO of Cleveland Clinic. Top heart surgeon.
Azra Raza, M.D.
Top medical oncologist. Professor at Columbia University.
Eddie Chang, M.D.
Professor & Chair of Neurological Surgery at UCSF.
Luis A. Diaz, M.D.
Head of the Division of Solid Tumor Oncology at Memorial Sloan Kettering Cancer Center.
Yves Michel Duroseau, M.D.
Chair of the Department of Emergency Medicine at Lenox Hill Hospital.
Jen Ashton, M.D., M.S.
Double board-certified in OBGYN and Obesity Medicine; MS in Nutrition.
Jordan Shlain, M.D.
Primary care physician. Founder and Chairman of Private Medical.
Mark Hyman, M.D.
Co-Founder and Chief Medical Officer.
Daniel Sodickson, M.D., PhD
Chief Medical Scientist at Function. Former Chief of Innovation in Radiology at NYU Langone.
JoAnn E. Manson, M.D., MPH, DrPH
Chief of Preventive Medicine at Brigham & Women's Hospital. Professor at Harvard.
Andrew Huberman, PhD
Professor of Neurobiology at Stanford School of Medicine.
Toby Cosgrove, M.D.
Former CEO of Cleveland Clinic. Top heart surgeon.
Azra Raza, M.D.
Top medical oncologist. Professor at Columbia University.
Eddie Chang, M.D.
Professor & Chair of Neurological Surgery at UCSF.
Luis A. Diaz, M.D.
Head of the Division of Solid Tumor Oncology at Memorial Sloan Kettering Cancer Center.
Yves Michel Duroseau, M.D.
Chair of the Department of Emergency Medicine at Lenox Hill Hospital.
Jen Ashton, M.D., M.S.
Double board-certified in OBGYN and Obesity Medicine; MS in Nutrition.
Jordan Shlain, M.D.
Primary care physician. Founder and Chairman of Private Medical.
Real people. Real results.
Citations
- Centers for Disease Control and Prevention. About Chronic Diseases. Updated January 2026.
- American Heart Association. 2025 Heart Disease and Stroke Statistics. Circulation, 2025.
- McKinsey & Company. The Future of Wellness Trends Survey 2025. May 2025.