How it works

The first membership for your lifelong health.

01.
Schedule lab tests

Instantly schedule your 100+ lab tests at Quest Diagnostics with 2000+ locations

02.
Get results

Results include insights derived from top doctors and 1000s of hours of research, your detailed written Clinician’s Summary, and phone calls 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.

Results over time

All results tracked in one secure place.
Know your health today. Monitor changes 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.

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

100+ lab tests for your whole body

Tracked over your lifetime

Monitor for early indicators of 1000's of diseases.

100+ lab tests

Doctors across specialties carefully selected each test to help give you the broadest and deepest understanding of your ever-changing health. The following tests are included with your $499 Function annual membership unless otherwise noted.

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Heart
1
 biomarkers
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Thyroid
1
 biomarkers
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Cancer Detection
1
 biomarkers
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Autoimmunity
1
 biomarkers
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Immune Regulation
1
 biomarkers
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Female Health
1
 biomarkers
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Male Health
1
 biomarkers
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Metabolic
1
 biomarkers
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Nutrients
1
 biomarkers
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Stress & Aging
1
 biomarkers
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Liver
1
 biomarkers
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Kidneys
1
 biomarkers
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Pancreas
1
 biomarkers
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Heavy Metals
1
 biomarkers
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Blood
1
 biomarkers
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Electrolytes
1
 biomarkers
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Urine
1
 biomarkers
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Alzheimer's
1
 biomarkers
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Allergies
1
 biomarkers
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Sexual Health
1
 biomarkers
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Biological Age
1
 biomarkers
Mark Hyman MD
Founder of Cleveland Clinic's Center for Functional Medicine
Dr Mark Hyman
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 Clinical Team, who review each biomarker to present a detailed perspective on your health. A clinician will call you promptly if any urgent results arise so you are informed and empowered to act.

Common questions

How do I join Function?
What does a Function membership include?
Who needs Function?
Is insurance involved?

70% of medical decisions

depend on lab tests.

So why are doctors testing so few?  The average physical tests around 19 biomarkers, missing red flags and precursors to disease and chronic conditions. It’s why Function includes the whole-body picture through 100+ biomarkers each year.