Stay healthy for the moments that matter most

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

Don’t leave your health to chance

“Normal” labs aren’t built to protect your future. Function goes deeper, testing 100+ biomarkers to give you clarity, confidence, and early action steps. Because staying healthy isn’t just about you, it’s about the ones who count on you.

  • Beyond today’s worries: Life is full of priorities, family, work, and the people who count on you. Test 100+ advanced biomarkers with Function so you can protect your health before small issues become bigger ones.
  • Protect what matters: Get a clearer view of your metabolism, hormones, recovery potential, and inflammation, so you have the strength and energy for the people who need you most.
  • Fewer missed signals: Whole-body insights means less slips through the cracks, giving you more 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