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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Lynn W.
I appreciate and value Function Health. I am seeing results from the guidance on food and supplements, and gaining insight into my biomarkers and other labs. I share these with my primary care provider to further optimize my health and well-being.
Elizabeth R.
I love the in depth explanations on how to improve any of the markers that are out of range
Debra A.
Hi I'd like the fact that they told me which supplements to take but I wish they would have give me a some kind of a guy that would have helped me figure out how much to take and if there's any value in the recommended amount on the bottle that I'm taking for example CoQ10
Response from Function HealthOct 10, 2025
Hi Debra. We appreciate your thoughtful feedback, it helps our team continue improving how we empower members to take charge of their health.
John B.
I was excited to do the Function Health after following Dr Hyman for years and having started taking control of my own health. It was fast and easy and the date has helped me tweak a few changes to my diet but also advised me I am 10 years younger than my chronological age. How awesome is that.
Denise
Overall, an easy and comprehensive way to gather health information that actually makes sense (or makes it easier to find answers to the things I didn't understand!). My questions were answered quickly and were very helpful. All in all, a great experience.
Response from Function HealthOct 4, 2025
We love to hear this, thank you for sharing your experience. To 100 healthy years 🧡
Alice M.
Helpful it gives direction for doctor appointments to help with diagnosis . On issues previously not found due to insurance restrictions on testing. . Con no easy way to share functional health results with providers.
Response from Function HealthOct 3, 2025
Thanks for sharing your experience, Alice. We’re glad Function has been helpful in guiding your doctor appointments and uncovering insights beyond traditional testing. We hear your feedback about sharing results more easily with providers. Currently, members can download their results as a PDF, in a format that most physicians are used to seeing. For additional insights not currently available in PDF format, we recommend printing natively from the web browser.
Chris
I am a huge supporter of Dr. Hyman's holistic approach to wellness and longevity and his Function Health platform. The ability to measure and track over 102 biomarkers is effortless, cost effective and sometimes life-saving! I have recommended Function Health to many family and friends. I am impressed with the entire process and look forward to continuing my health and wellness journey! With my biological age over 10 years younger than my birth age I can confidently say my daily habits, lifestyle choices and high quality supplements are definitely working!
Response from Function HealthOct 5, 2025
Thanks so much for sharing your experience, Chris. We’re glad Function has made it easy to measure and track your biomarkers and that you’ve found value in seeing your biological age results. Your story is inspiring, and we love hearing how your lifestyle choices are paying off.
Nancy
It is very helpful to know what your body is doing. You have questions like why am I tired a lot of the time. I also could tell my brain wasn't working as well as it should.
Response from Function HealthOct 5, 2025
Thank you for sharing your experience, Nancy. We’re glad Function has helped bring clarity to the questions you’ve had about your energy and brain health. Having insight into what your body is doing is such an important first step toward feeling better.
