Function HealthFunction gives you access to 160+ yearly lab tests—5x more than a typical annual physical—covering everything from heart, hormones, thyroid, liver, kidneys, heavy metals, nutrients, inflammation, and more, plus actionable insights from top doctors. All results are stored in one place, making it easy to spot trends, track progress, and take action.
Function Health (functionhealth.com) has 3,039 customer reviews on Five Star Index, with an average rating of 4.4 out of 5.
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Valued C.
It was hard to see what metrics were not retested and the value proposition was not great for the money. I would like a bi-annual scheme that’s easy to see trending and not too general
Response from Function HealthJul 29, 2026
We appreciate your honest feedback and the suggestions you've shared. Feedback like yours helps us continue improving Function.
Chelsea S.
I love the full coverage of lab test, the insight, and the convenience of the app.
Response from Function HealthAug 2, 2026
We’re thrilled you’re finding value in Function. Thank you for sharing your experience.
Gary
Function health did a limited amount of test with my bloodwork. They get you to stay a member but the real important test you need, is always an upsale. I could of received 60 biomarker test from hone health for half of what I paid Function . Are you really there to help people or are you doing it just for the greed?
Response from Function HealthJul 29, 2026
Function membership includes a predefined set of biomarkers selected by Dr. Hyman and our team of clinicians, with additional optional add-on tests available for members who want to explore specific areas further. If you have any outstanding questions about your membership, please contact us at [email protected]. We'd be happy to assist.
Elaine
The Quest Lab were very professional and caring people when they did the blood draw.
Response from Function HealthAug 9, 2026
Thank you for sharing, Elaine. We’re glad you had a professional and caring experience during your lab visit. We appreciate the kind words!
Sanjiv
Incredible efficiency and accurate execution. I just love the accessibility and easy access.
Response from Function HealthAug 9, 2026
Thank you for the kind words, Sanjiv. We’re glad you’ve found the Function experience efficient, accessible, and easy to navigate. We appreciate you sharing!
Carrie
Way more information and guidance than I expected. I feel motivated and am already making changes. The only thing I wish was a part of this was specific suggestions on supplements - what to focus on first, what to take, how much to take. But that's probably what doctors are supposed to be for, but aren't.
Response from Function HealthAug 9, 2026
Carrie, we’re glad the insights have been valuable and have motivated you to take action. We also hear your feedback about wanting more specific supplement information. Your perspective helps guide what we improve next.
Debbie
I feel like this entire process was extremely beneficial. I learned so much about my body and established baseline measurements from which I can continue to improve. I am really glad I took the chance and bought the membership for the year. Will definitely do again! Completely recommend this to others who want to take charge of their health.
Response from Function HealthAug 9, 2026
Thank you for sharing, Debbie. We’re glad Function has helped you learn more about your health and establish meaningful baselines you can track over time. We really appreciate your recommendation and are glad to have you with us!
jjd
Function health was fine. The testing and explanation was good. However, Quest Diagnostics, who performed the testing was a train wreck. If given the option to choose another lab - definitely do so.
Response from Function HealthJul 29, 2026
We’re glad you found value in the testing and insights. We’ve shared your feedback about your Quest Diagnostics experience with our team as we continue working to improve the member experience.
