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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Tom
Just having all of the days presented clearly and visually, along with the notes finally gives me a good picture of my health. Add-on tests can get expensive, but the basic membership is very worth it. Nice app as well.
Response from Function HealthAug 12, 2026
Thank you for sharing your experience, Tom. We’re glad you’ve found the results, Clinician Notes, and app helpful, and we appreciate your feedback on the pricing of additional testing.
Judith G.
Everything was fantastic. The follow up data was very impressive. I would and have highly recommend.
Response from Function HealthAug 10, 2026
Honored to help you own your health.
Jason
3 separate apptointments needed to give blood, instead of 1. ?!?!
Response from Function HealthAug 5, 2026
Hi Jason, we're sorry to hear this was your experience. This isn't the experience we aim to provide. Our team worked with you directly to explain why multiple lab visits were needed in your case. If you need any further assistance, please reply to our previous email or reach out to us at [email protected]
Weston W.
Great in depth bloodwork for the price!
Response from Function HealthAug 12, 2026
Thank you for sharing your experience, Weston. We’re glad you’ve found the breadth of testing and overall value of Function worthwhile.
Prasad R.
Blood collection, testing, reporting are all perfect. The final report does not factor rest of the data that I have provided - change in medicines, weight change, etc. Further in my case for a trip to Kenya, I took anti-malaria medicine that could have some impact on my urine, etc. The information should be collected and used in an analysis.
Response from Function HealthAug 5, 2026
Thank you for sharing your experience. We’re pleased to hear the testing and reporting met your expectations. We appreciate your thoughtful suggestions and will take them into consideration as we continue improving Function.
Arun
I trust Dr. Hyman and his team to identify the important items to screen. This screen did me a very good service: my blood lead levels were very high this time vs no blood lead level in previous test. So I am acting on it. I could have missed it if I had not done this screening test and could have sustained irreversible damage to my health. The results give me an excellent big picture with details so I know how I am doing. Quest is an excellent and trustworthy lab so I trust the results. I appreciate Dr. Hyman for setting up something I can do to take care of myself without hassling with health insurance with its usual obstacles. The cost is very reasonable considering the number of items that are tested and screened so this is a very good value.
Response from Function HealthAug 12, 2026
Thank you for sharing your experience, Arun. We’re glad your results provided valuable insights and helped you identify something important to discuss and address. We appreciate your trust in Function.
Celeste
Thorough and helpful for my overall wellbeing.
Response from Function HealthAug 12, 2026
Thank you for sharing your experience, Celeste. We’re glad you’ve found the information from Function thorough and helpful in understanding your health.
Jennifer S.
This is my 2nd year using Function Health. I find its a very easy process to get a multitude of blood tests at an exceptional price to keep a check on how my body is doing. I really appreciate the explanation that is provided for each test result once they are analyzed.
Response from Function HealthAug 12, 2026
Thank you for being with Function for another year, Jennifer. We’re glad you’ve found the process easy and the explanations of your results helpful. We appreciate you sharing your experience.
