Give time,
not stuff
More than a gift—Function is agency over their health, monitoring for disease, and a path to a longer life.
The first membership for lifelong health.
The first membership for lifelong health.
Results over time
Results over time
All results are tracked in a secure dashboard. Learn about your health right now. Monitor for changes over your lifetime. Take control of your health’s future.
Results over time
Results over time
All results are tracked in a secure dashboard. Learn about your health now. Monitor for changes over your lifetime. Take control of your health’s future.
100+ lab tests
Whole body testing
Tracked over time
Testing is easy
Testing is easy
Secure a time slot at one of 2,000+ Quest Diagnostics locations around US
Function includes the cost of two lab visits per year with 100+ biomarkers.
Monitor for early signs of disease. Find out where and how to improve.
How it works
How it works
The 100+ test list.
The 100+ test list.
Doctors across specialties carefully selected each test below to provide you with the broadest and deepest understanding of your ever-changing health. The following tests are included with your $499 Function annual membership.*
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 is 100% insurance-free. No deductibles. No co-pays. 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.