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How it works

STEP 01
•
schedule tests
STEP 01
•
schedule tests

Personalize and test

Share your health history so we can tailor insights to you, then book your first test. Your membership includes 100+ biomarkers, and you can request optional add-ons anytime.

Complete initial testing in one short appointment

100+ biomarkers included and optional add-ons

Test at 2k+ labs nationwide, or book a concierge blood draw at home or at the office. See testing options.

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

Deeper insights than an average checkup

Personalized food and supplement guides

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

See how your body is changing

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

Spot trends as your biomarkers change

Get re-tests to track your progress anytime

Take action
pause motion

This Function Day, invest in health, not stuff.

For a limited time, get two years upfront of testing, insights, and tracking. 
All new members get up to $250 in credits.
HSA/FSA Eligible

2 years of Function

$365

$250/per year

*Billed upfront at $499 for 2 years of annual membership.
2 years of Function - $4991 year of Function - $365
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
Access to MRI and CT
No insurance, transparent pricing
FUNCTION DAY • get 2 years for $499
Credits toward Annual MRI and add-on lab tests*
*Terms and conditions apply. Non-member MRI regularly priced at $999.
$200
credit on Annual MRI
$50
credit on Add-On Tests
Join Function
*Terms and conditions apply. Non-member MRI regularly priced at $999.
FUNCTION DAY • all members
Join Function

Skip the lab.

‍We’ll come to you.‍

The same comprehensive testing— now with concierge blood draws available in select areas. No commute, no waiting room, just results.

  • Schedule: Pick a 2-hour window that works for you
  • Test: Meet your specialist at the location you selected
  • Get results: Results will be ready around 2 weeks after your appointment

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qualifies for concierge blood draws. Schedule after sign up.

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Membership gives you access
to optional Add-Ons

Advanced add-on tests reveal hidden risks and deeper insights to guide your health decisions.
function day
$200 credit on Annual MRI
Advanced MRI & CT scans
Detect a broad spectrum of conditions, including signs of cancer, stroke, and aneurysm.
Concierge blood draws
Skip the lab. A certified specialist comes to you, at home or the office.
function day
$50 member credit on $100+
Extended panels
Test more biomarkers across heart, metabolic, Alzheimer's, and allergies
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