What we test

100+ lab tests chosen by the world’s top doctors to help give you the most complete picture of your current and future health. No compromises in depth.

Ignored by most. Tested by us.

ANA Screen
Helps diagnose and manage autoimmune diseases
Lead
A toxic metal that can impact the brain, kidneys, and heart
Lipase
An enzyme that helps detect inflammation in the pancreas
ANA Screen
Helps identify patterns of autoimmunity
Omega 3 Total
Essential fats that support brain and heart health
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Areas tested:

Category
Autoimmunity
Included in membership
2x
Tested twice a year
Antinuclear Antibodies Pattern
2x
Available add-ons
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Antinuclear Antibodies Pattern
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What could cost you $15,000 is $499

Your health shouldn’t depend on insurance.
HSA/FSA Eligible

Function membership

$42

/month
Charged annually at $499
Join Function
100+ lab tests
Testing twice per year
All-in-one for your whole body
Tracked in one secure place
Clinicians review every result and flag issues
Personalized action plan
Add advanced MRI and CT scans anytime
No insurance, transparent pricing
Join Function

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.

Noelle

Early detection has given me this amazing gift of extra years, probably extra decades, with my family.

Mike

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.

Sandy

Advanced imaging at members-only pricing

Scan for hundreds of potential conditions each year—before symptoms appear—including cancer, stroke, aneurysms, brain, uterine, prostate, neurological, and skeletal issues, with MRI scans starting at $499 for Function members.

  • Safe: MRIs use magnets and radio waves to take images (no radiation)
  • Fast: Scans take as little as 22 minutes to complete
  • Powerful: Uses FDA-cleared AI image enhancement
  • NEW: Heart and Lungs CT to help determine heart attack risk