Testing is easy
160+ lab tests
Results explained
Follow your plan
This Function Day, invest in health, not stuff.
2 years of Function
$365
$250/per year
*Terms and conditions apply. Non-member MRI regularly priced at $999.
Monitor early indicators of 1000s of diseases
Establish your long-term baseline
Tracked for life
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
Establish your baseline with an Annual MRI
Lab tests measure signals in your blood. MRI shows what’s happening in your body. Use both to check your health every year.
This Function Day, get an additional $100 credit* toward your Annual MRI on the exclusive member price of $899.
Safe: MRIs use magnets and radio waves to take images, so you aren't exposed to ionizing radiation.
Fast: MRI scans take as little as 22 minutes to complete.
Powerful: Uses FDA-cleared AI image enhancement.
The new standard for health
Huberman
Shetty
Voce
Llewellyn
Real people. Real results.
Gold standard
for lab testing
2,000+ lab test locations across the US
Over 75+ million results delivered to Function members
Not your average checkup
Personalized action plan
Upload past results
No insurance needed
Every 6 months
Hormones & fertility testing
Heavy metal & toxin testing
Metabolic & pancreatic testing
Heart testing beyond cholesterol
Nutrient/electrolyte testing
Autoimmunity testing
Thyroid testing
Access to MRI & CT
Access to Galleri® Multi-Cancer Test
Access to Alzheimers & brain testing
Access to mold reactivity testing
Standard checkup
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.
Frequently asked questions
It’s available from June 23 at 12:01am EST through July 2 at 02:59am EST.
Yes. If you have a gifted membership, you can add a second year at checkout for $134.
Yes. The standard 1-year Function membership for $365 is still available for purchase during the Function Day period. Regular credit codes can still be applied, but standard memberships include 1 year of membership only.
- 2 years of Function membership
- $50 credit toward Add-On Tests (redeemable on purchases of $100 or more)
- Annual MRI for $799 ($200 credit toward MSRP $999)
Refer 5 people and earn 1 free year added to your Function membership. You'll earn 1 additional free year for every 5 redeemed referrals made after June 22, 2026.
**To get the free year, all 5 referees must remain active members in good standing for 60 consecutive days from their signup date. Your free year is automatically applied to your next renewal once your 5th referral has remained active and in good standing for 60 days.