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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Holly
I love all the data, information and recommendations. I like to proactively manage my health and this site and the service it provides helps me do exactly that!
Response from Function HealthAug 8, 2026
We love hearing this, Holly. We’re glad the data, insights, and recommendations are helping you stay informed and make thoughtful decisions about your health. Thank you for being part of Function!
Jonathan
Thank you Function Health and Heather for the quick and easy resolution to my question!
Response from Function HealthAug 8, 2026
We’re so glad to hear this, Jonathan. It’s great to know your question was resolved quickly and easily. We appreciate you taking the time to share your experience!
Luz M.
The clinician notes took a very long time to arrive. I also think it should’ve been a meeting over the phone. Normal people don’t know what it all means. Also my dr said it was a lot of fluff tests
Response from Function HealthJul 29, 2026
Thank you for taking the time to share your feedback, Luz Maria. We're sorry to hear your clinician notes took longer than expected and that the experience didn't meet your expectations. We appreciate your comments about the review process and your preference for a phone discussion. Your feedback helps us continue improving the member experience.
Joe M.
Couldn't be easier completely painless great data, thanks
Response from Function HealthAug 2, 2026
We’re thrilled you’re finding value in Function. Thank you for sharing your experience.
Vince
Excellent service. Very thorough and complete information is given about each and every test.
Response from Function HealthAug 8, 2026
Thank you for the kind words, Vince. We’re glad you’ve found the information provided with your results thorough and easy to understand. We appreciate you sharing your experience!
Scott
Easy collection, easy to understand results, and help with the action plan
Response from Function HealthAug 8, 2026
Thank you for sharing, Scott. We’re glad the lab visit was easy, your results were clear, and the insights helped you understand your next steps. We appreciate the kind words!
Mark
Thorough, informative, good insight in order to make educated decisions regarding health!
Response from Function HealthAug 8, 2026
Appreciate you sharing this, Mark. We’re glad the insights have been thorough and informative, helping you make more informed decisions about your health. Thank you for being part of Function!
Susan P.
I had many questions when I first started. Each question was answered quickly, completely and nicely! The bloodwork showed some medical issues that would never have been discovered because all my “regular “ tests were normal. I highly recommend this company. I have only good things to report.
Response from Function HealthAug 8, 2026
Thank you for the kind words, Susan. We’re glad your questions were answered quickly and clearly, and that your results provided meaningful insights beyond your routine testing. We truly appreciate your recommendation and are glad to have you with us!
