How it works
The first membership for your lifelong health.
01. Schedule lab tests
Instantly schedule your 160+ lab tests at Quest Diagnostics with2000+ locations
02. Get results
Results include insights derived from top doctors and 1000s of hoursof research, your detailed written Clinician’s Summary, and phonecalls for any critical results.
03. Take action.
Test again. Test every few months to watch your health progress over time.
Testing is easy
Step 1
Instantly schedule lab tests
Secure a time slot at one of 2,000+ Quest Diagnostics locations around US
Step 2
Lab visits average 15 minutes
Function includes the cost of two lab visits per year with 100+ biomarkers.
Step 3
Powerful results
Monitor for early signs of disease. Find out where and how to improve.
160+ lab tests
Doctors across specialties carefully selected each test to help give you the broadest anddeepest understanding of your ever-changing health. The following tests are included withyour $499 Function annual membership unless otherwise noted.
Mark Hyman MD
Founder
Your Clinical Summary
The clinical team highlights larger patterns and flags that could impact your health. This detailed attention ensures you’re not just collecting data, but also gaining actionable insights to take charge of your health.
Test results with Clinician's Summary
Receive a comprehensive summary written by our ClinicalTeam, who review each biomarker to present a detailedperspective on your health. A clinician will call you promptly ifany urgent results arise so you are informed and empowered toact.
Take charge of your health starting with knowledge
What does a Function membership include?
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.
Who needs Function?
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.
How does Function keep my information safe?
How does Function keep my information safe?
Function takes 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.
Is insurance involved?
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 may be FSA/HSA eligible. You should check with your plan administrator to confirm eligibility. Function provides you with a receipt to assist you with submitting to an FSA/HSA plan.