Function is a full-body health membership that gives you access to 100+ lab tests, advanced imaging, and medical insights tracked over time—all in one place. This data helps you monitor for early signs of hundreds of diseases and own your health. Function provides a comprehensive health strategy that evolves with you.
lululemon members get $100 off a Function membership. Use code LULULEMON100 at checkout.

Testing is easy
By top doctors and 1000s of hours of research
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
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.
Real people. Real results.



