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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Rosalie C.
So many tests that the doctors don’t even authorized for. The reports are detailed. Highly recommended to join function health.
Response from Function HealthAug 9, 2026
Thank you for sharing, Rosalie. We’re glad you value the breadth of testing and find the detailed reports helpful. We truly appreciate your recommendation!
Brandy
Good service
Response from Function HealthAug 2, 2026
We’re thrilled you’re finding value in Function. Thank you for sharing your experience.
Margo
I am happy with the process and the results! Wide range of labs and high quality.
Response from Function HealthAug 9, 2026
Thank you for sharing, Margo. We’re glad you’ve had a positive experience and found value in the broad range of testing available through Function. We appreciate the kind words!
David
It just feels decent - I think the experience is fine, but not mindblowing.
Response from Function HealthJul 31, 2026
Thank you for taking the time to share your feedback, David. We appreciate your honest perspective and understand that your experience didn't fully meet your expectations. Your feedback is valuable, and we'll share it with our team as we continue improving the member experience. Internal outreach
Amy
Thank you for your help with my appointment and quick responses.
Response from Function HealthAug 2, 2026
Thank you for sharing your experience.
Rob
App never works. Prices mediocre. Half the tests weren’t in stock when I went to the lab. Upselling constantly.
Response from Function HealthJul 30, 2026
Thank you for taking the time to share your feedback. We’re sorry to hear this was your experience. A member of our team has reached out to you directly to better understand your concerns and assist you further. We look forward to connecting with you.
Rhonda
Love the extensive information with the results as well as the practical recommendations
Response from Function HealthAug 9, 2026
Thank you for the kind words, Rhonda. We’re glad you’ve found the information with your results detailed and the recommendations practical and useful. We appreciate you sharing your experience!
DJ
It was simple and fast. It has given me plenty of goals to better myself.
Response from Function HealthAug 9, 2026
Thanks for sharing, DJ. We’re glad the experience was simple and fast, and that your insights have helped you identify meaningful goals to focus on. We appreciate having you with us!
