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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Jan H.
Loved the experience ! I had to reschedule my lab date. Which was very easy . I was surprised of the amount of tests that were done. Which I’m very happy about. The summary was very detailed and very informative.
Response from Function HealthAug 12, 2026
Thank you for sharing your experience, Jan. We’re glad rescheduling was easy and that you found the breadth of testing and detailed summary valuable.
Gayla
The narrative was very extensive and detailed. I learned a lot about my health and strategies to improve.
Response from Function HealthAug 12, 2026
Thank you for sharing your experience, Gayla. We’re glad you found the detailed insights helpful and learned more about your health.
Mike P.
Very easy to use the service, very good health info but now I just need to figure out what to do, like is it diet, supplements, exercise, all of the above, I don’t know
Response from Function HealthAug 12, 2026
Thank you for sharing your experience, Mike. We’re glad you found Function easy to use and the information helpful. We also appreciate your feedback about wanting clearer guidance on next steps after receiving your results.
Nancy
I love the experience. I finally had some clarity on what was going on with my hormones. I thought it was my thyroid. Found out it's just hormones. Thank you guys very much.
Response from Function HealthAug 10, 2026
Honored to help you own your health.
veronica
Amazing customer service.
Response from Function HealthAug 12, 2026
Thank you, Veronica. We’re so glad you had a great experience with our team and appreciate you sharing your feedback.
Brian
I got what I expected and paid for.
Response from Function HealthAug 10, 2026
To 100 healthy years.
Jenny G.
Function health is by far the best and most extensive blood panel I have done! I am so impressed with the explanation on markers and what drives them up. I also love the lifestyle and supplementation suggestions. I have all of my clients use function! Highly recommend!
Response from Function HealthAug 12, 2026
Thank you for sharing your experience, Jenny. We’re so glad you’ve found the insights and explanations helpful, and we truly appreciate you recommending Function to your clients.
Nancy M.
Best deal, ever!
Response from Function HealthAug 12, 2026
Thank you, Nancy. We’re so glad you’re finding value in Function and appreciate you sharing your feedback.
