The first membership for
lifelong health
The first membership for
lifelong health
100+ lab tests
Results explained
By top doctors and 1000s of hours of research
Follow your protocol
Monitor early indicators of 1000s of diseases
Monitor early indicators of 1000s of diseases
Establish your long-term baseline
Establish your long-term baseline
Tracked for life
Tracked for life
Monitor how your body changes
Monitor how your body changes
100+ lab tests chosen 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.
Gold standard
for lab testing
Gold standard
for lab testing
2,000+ lab test locations across the U.S.
50+ million results delivered to Function members
Not your average checkup
Personalized Protocol
Upload past results
No insurance needed
Hormones & fertility testing
Heavy metal & toxin testing
Metabolic & pancreatic testing
Heart testing beyond cholesterol
Nutrient/electrolyte testing
Autoimmunity testing
Thyroid testing
Access to advanced MRI & CT
Access to GRAIL cancer test
Access to Alzheimers & brain testing
Access to mold reactivity testing
Standard checkup
Built with the world's top doctors
Built with the world's top doctors
Chief of Preventive Medicine at Brigham & Women’s Hospital. Professor at Harvard
Professor of Neurobiology at Stanford School of Medicine
Former CEO of Cleveland Clinic. Top heart surgeon.
Chief of Innovation at NYU Langone. Pioneer of AI-driven MRI.
Top medical oncologist. Professor at Columbia University.
Professor & Chair of Neurological Surgery at UCSF.
Head of the Division of Solid Tumor Oncology at Memorial Sloan Kettering Cancer Center.
Former Cleveland Clinic physician. CMO of Function Health.
What could cost you $15,000 is $499
Function membership
$42
This is the most comprehensive lab testing I have ever had. I am thrilled to know more about my health and how to improve it.
Best money I have spent on healthcare.
Function blows my mind. The UI, UX, price and clinician notes are all phenomenal.