Testing is easy
Testing is easy
Schedule lab tests
Get 100+ results
Explained by top doctors and researchers
Take action
Tracked over time
Tracked over time
Establish a baseline
Catch early signs of disease
Monitor how your body changes
100+ lab tests curated by top doctors
“The most powerful approach I’ve seen in my career. Uncompromising depth with no shortcuts.”
Hormones
& thyroid
Cancer & other
silent risks
Heart
& metabolic
Aging
Mental health
& focus
+More
All-in-one
lab testing
See all tests+More
All-in-one
lab testing
Real people. Real results.
Real people. Real results.
The gold standard
in health
The gold standard
in health
2,000+ lab test locations across the U.S.
45+ million results delivered to Function members
Not your average checkup
No insurance needed
Transparent pricing
Heart testing beyond cholesterol
Autoimmunity testing
Hormones & fertility testing
Nutrient & electrolyte testing
Access to cancer testing
Standard checkup
Built with the world's top doctors
Built with the world's top doctors
Former Cleveland Clinic physician, 15x NY Times best-selling author, co-founder and Chief Medical Officer of Function Health.
Chief of Preventive Medicine at Brigham and Women’s Hospital, Professor at Harvard Medical School.
Professor of Neurobiology at Stanford School of Medicine and host of the Huberman Lab podcast.
Former CEO of Cleveland Clinic, globally-recognized leading heart surgeon.
Chief of Innovation and Professor of Radiology at NYU Medical School, pioneered parallel MRI and AI-driven imaging technology.
Professor of Medicine at Columbia University, medical oncology specialist.
Professor and Chair of Neurological Surgery at UCSF, internationally recognized neuroscientist.
Head of the Division of Solid Tumor Oncology at Memorial Sloan Kettering Cancer Center, and leader in cancer genetics.
What could cost you $15,000 is $499
Function membership
$42
As someone navigating an autoimmune condition, it's been such a relief to finally have a clear, visual way to track what’s going on in my body—and actually understand it.
Early detection has given me this amazing gift of extra years, probably extra decades, with my family.
After 10 years of dealing with a health issue, 5 years of trying to get doctors to run more in-depth tests, Function finally helped me uncover the root cause.