Test. Know.
Take Control.
Test. Know.
Take Control.
Your membership
Your membership
Testing is easy
Testing is easy
Secure a time slot within minutes at any of our 2,000+ labs across the US.
Annual testing involves two sessions following an 8-hour fast.
Turn your results into actionable insights with expert review, then test again.
The 100+ test list.
The 100+ test list.
Doctors curated these tests to give you the deepest insight into your health.
Included in your $499 annual membership.
Results over time
Results over time
All results tracked in one secure place.
Know your health today. Monitor changes over time.
Results over time
Results over time
All results tracked in one secure place.
Know your health today. Monitor changes over time.
100+ lab tests for your whole body
Tracked over your lifetime
Monitor for early indicators of 1000's of diseases.
100+ lab tests for your whole body
Tracked over your lifetime
Monitor for early indicators of 1000's of diseases.
What could cost you $15,000 is $499
What could cost you $15,000 is $499
Common questions
Common questions
What does a Function membership include?
For $499 per year, a Function membership gives you:
- 100+ lab tests at the start of each year—no hidden costs, no insurance required.
- 60+ follow-up tests at 3–6 months to track changes.
- Insights from top doctors based on your results.
- A written clinician summary to help you understand your data.
- Access to re-test at transparent prices when needed.
- Option to purchase additional tests, including Lyme, STDs, and allergies.
- Access to groundbreaking tests, like the Galleri Multi-Cancer Early Detection test.
Function is for anyone 18 and older. The sooner you establish a baseline, the better—you’ll see where you stand today and track changes over time. Understanding your body’s trends gives you the power to make informed decisions about your future.
Function's technology meets HIPAA standards, and we take privacy extremely seriously. We use a range of the latest technical security tools and administrative measures to safeguard your data against unauthorized access or disclosure. Note that Function cannot secure personal data that you release on your own or that you request us to release, so we recommend carefully considering with whom you choose to share this data. Read our Privacy Statement.
Function is 100% insurance-free. No deductibles. No co-pays. No surprise bills. We are committed to transparent prices and you knowing exactly what you pay for. Function does not accept insurance; however, it is FSA/HSA eligible. Function provides you with an itemized receipt for submitting to an FSA/HSA plan.