Find the answers basic labs never gave you

Routine cholesterol tests haven’t changed since the 1950s—but the science has.

Stop guessing, start knowing

“Normal” labs often leave you without answers. Function goes deeper, testing 100+ biomarkers to give you a more detailed picture of your health, and actionable next steps. Because you deserve real solutions, not another quick fix.

  • Beyond trial and error: Supplements, diets, and quick fixes only scratch the surface. Function measures 100+ advanced biomarkers to uncover what’s really driving your symptoms.
  • Replace frustration with clarity: Tired of guessing? Get a clearer picture of your metabolism, hormones, recovery potential, and inflammation so you finally know what needs attention.
  • Connect the dots: See whole-body patterns instead of piecing it together on your own. Function helps bring the important stuff to light, so you can move forward with confidence.

Testing is easy

01

Schedule lab tests

At 2,000+ Quest Diagnostics locations
02

Get 100+ results

Explained by top doctors and researchers

03

Take action

Upgrade daily routines and test again

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