The future of personal fitness

begins inside your body.

Every year. Starting with 100+ lab tests and insights from top doctors. All for just $499.

Fitness Always
The science-backed power of inner fitness

Function transforms fitness into a science. By comprehensively testing and tracking over 100 biomarkers in your body, you drive performance forward based on the science of your ever-changing body. Armed with targeted insights on inflammation, thyroid function, metabolism, heart health, toxicity levels and more, these tests can profoundly transform your approach. It’s time to transcend traditional training and step into a new realm of health: inner fitness.

160+ lab tests

across your body

The first-ever membership that includes the cost of 160+ advanced lab tests, comprehensive across heart, thyroid, hormones, metabolic, toxins, nutrients, autoimmunity, and more. Robust results turn into actionable insights from top doctors. 


Full list of 160+ tests.

160+ lab tests

Multi-region MRIs (additional fees apply)

Tracked over time

Testing is easy

Step 1
Instantly schedule lab tests
Testing available at 2,000+ lab test locations around the U.S. 
Step 2
Lab visits average 15 minutes
Function membership includes the cost of two lab visits per year, with 100+ biomarkers tested during the first visit and 60+ biomarkers tested during the second visit. 
Step 3
Powerful results
Monitor for early signs of disease. Get insights on where and how you might be able to improve. 

Included in Function

Be proactive about your health, disease monitoring, and a path to a longer life. Function offers one-stop for advanced lab testing, results tracking, insights, and explanations in the palm of your hand, allowing you to concentrate on living

Re-test as needed.
Clinician’s Summary of your results.
Access to Grail’s Galleri multi-cancer detection test.

Results over time

Results tracked in one secure place. Dive into your health today. Monitor changes over time.

Results over time

Results tracked in one secure place. Dive into your health today. Monitor changes over time.

Access to 160+ lab tests

Tracked over time

Monitor for early indicators of 1000’s of diseases

Thyroid Stimulating Hormone
Optimal Range: 0.4 to 4.0 mIU/L
0
1
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9
0
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0
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9
0
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5
mIU/L
Out of Range
Aug 15, 2024
·
6.1 mIU/L

Access to 160+ lab tests

Tracked over time

Monitor for early indicators of 1000’s of diseases

Your new health journey rooted in understanding

How does Function compare to my annual physical?
Where is Function available?
Why hasn’t this existed before?
Where do I go for my lab visit?
Which tests are included with a Function membership?