Gift Function
About
How it works
What we test
FAQ
MRI & CT scans
Pricing
For employers
Contact us

Scans were always essential. Now they’re accessible, too.

Learn more
Login

How it works

STEP 01
•
schedule tests
STEP 01
•
schedule tests

Start with 100+ lab tests every year

Across your heart, hormones, kidneys, liver, thyroid, and more.

100+ lab tests included

100+ lab tests included

Go deeper with Add-On Tests including MRIs

Go deeper with Add-On Tests including MRIs

Complete testing—often in one 15-minute lab visit

Complete testing—often in one 15-minute lab visit

2,000+ Quest Diagnostics locations to choose from

2,000+ Quest Diagnostics locations to choose from

No insurance needed

No insurance needed

Start testing
STEP 02
•
get INSIGHTS
STEP 02
•
get results

Review results

Your results are reviewed by clinicians who look at your added health history to surface what matters and what to do next.

Built to HIPAA-standards

Built to HIPAA-standards

Deeper insights than an average checkup

Deeper insights than an average checkup

Personalized food and supplement guides

Personalized food and supplement guides

Download and share results with anyone

Download and share results with anyone

Unlock your insights
STEP 03
•
take action
STEP 03
•
take action

Test again

Health is not one test—it’s a pattern. Retest every 3–6 months to see what’s changing.

60+ lab tests included midway through the year

60+ lab tests included midway through the year

See how your body is changing

See how your body is changing

Add any lab tests that were out of range

Add any lab tests that were out of range

Test your levels
STEP 04
•
monitor for life
STEP 04
•
monitor for life

Spot patterns
and red flags

Most testing starts after a problem. Function tracks your data over time to reveal patterns and early signs unique to you.

Monitor for indicators of thousands of diseases

Monitor for indicators of thousands of diseases

Spot trends as your biomarkers change

Spot trends as your biomarkers change

Get re-tests to track your progress anytime

Get re-tests to track your progress anytime

Take action
pause motion

What could cost you $15,000 is $499

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

Function membership

$42

/day
Charged annually at $499
Join Function
160+ lab tests annually
Testing 2x/year and on-demand
Insights from top doctors and researchers
All-in-one for your whole body
Tracked in one secure place
Clinicians review every result and flag issues
Personalized protocol for instant action
Add advanced MRI and CT scans anytime
No insurance, transparent pricing
Join Function

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 experience, price, and clinician notes are all phenomenal.

Membership gives you access
to optional Add-On tests

Advanced add-on tests reveal hidden risks and deeper insights to guide your health decisions.
GRAIL cancer test
Detects cancer signals across 50+ types of cancer as early as Stage 1.
Advanced MRI & CT scans
Scans for a broad spectrum of potential conditions, including signs of cancer, strokes, and aneurysms.
Extended panels
Test more biomarkers across heart, metabolic, Alzheimer’s, allergies, and more.
Gut testing
Coming soon.
See all tests

Data that puts your health in motion

Find out where you stand. Decide where you’re going.
100+ lab tests
Advanced testing
next steps
Clear action plans
Biological Age
wearables
Integration with health trackers
Steps
4,787
avg
Sleep
7.5
hrs avg
Resting HR
64
bpm avg
Apple Health
iFit
Withings
Peloton
Oura
Fitbit
Garmin