Test twice a year for just $499 annually
Function members test more of the biomarkers that matter most—without jumping through insurance hoops.

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.
Not your average checkup
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
Gold standard
for lab testing
Gold standard
for lab testing
2,000+ lab test locations across the US

50+ million results delivered to Function members

The real question isn't whether you can afford Function — it's whether you can afford not to
The real question isn't whether you can afford Function — it's whether you can afford not to
Many illnesses and leading causes of death can be prevented or delayed with lifestyle changes.
- Can reduce the risk of cardiovascular disease by over 80%
- Can reduce the risk of diabetes by over 90%
- Are attributed to 40% of dementia cases
- Are attributed to 42% of cancer cases
Illness is expensive. Even with insurance coverage, co-pays and non-covered services add up.
- Treating diabetes can cost $12,022 per year out of pocket
- Heart failure costs an average of $4,423 per year out of pocket
- The average hospital stay in the U.S. costs $2,529 per day out of pocket
Testing is easy
Testing is easy
100+ lab tests
Results explained
By top doctors and 1000s of hours of research
