Alex M.
Smooth
Smooth, easy, great staff.
Response from Function HealthJun 27, 2026
So glad to hear you’re enjoying Function. We’re excited to keep supporting you with insights that matter most to your health.

Function 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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Alex M.
Smooth, easy, great staff.
Response from Function HealthJun 27, 2026
So glad to hear you’re enjoying Function. We’re excited to keep supporting you with insights that matter most to your health.
Mark
The lab test were extensive, and the explanation of lab testing was thorough. I would like to know recommended period of time to wait for retesting of out of range labs after implementing diet and exercise changes. Thank you.
Response from Function HealthJun 27, 2026
We’re thrilled you’re finding value in Function. Our mission is to empower members like you to understand and take charge of their health.
MB
I am very pleased with the amount of useful information that comes along with the labwork, including prioritizing lifestyle changes that I can make in order that I can hopefully improve some of my results. I like the follow-up labs are already covered or I'd come up with some excuse not to do them. My brother and I both had or labs done and have been comparing notes. Now we have a little competition to see who can improve the most in the next 6 months. Overall- very thorough and helpful. The cost is nothing compared to the information you receive.
Response from Function HealthJun 27, 2026
We’re thrilled you’re finding value in Function. Our mission is to empower members like you to understand and take charge of their health.
Karen R.
Got my results quickly and all of the explanations. Pleased. Wish you could make recommendations b/c telling me to ask a physician…well what can I say. A little concerned with some reviews I saw but so far I’m pleased. We all need a little work I guess.
Response from Function HealthJun 27, 2026
Thank you for taking the time to share your experience, Karen. We're glad to hear your results arrived quickly and that you found the explanations helpful. We also appreciate your feedback about wanting more actionable guidance, and we'll be sure to share it with our team as we continue improving the member experience.
ART
in-depth evaluation of major bodily function.
Response from Function HealthJun 27, 2026
We’re thrilled you’re finding value in Function. Our mission is to empower members like you to understand and take charge of their health.
A S.
Simply incredible. Zero wait time. Extremely friendly team. The premium PJ set and tote were a major plus. I just wish I had a place to store my valuables, thats my only feedback. Other than that 10/10 and thank you to the team who scheduled me all the way through to the team in the medical centre who made me feel at ease during the entire 40 min scan!
Response from Function HealthJun 27, 2026
We're so glad to hear everything went smoothly and that our team helped you feel comfortable throughout your visit. We also appreciate your feedback about having a secure place to store valuables, and we'll be sure to share it with our team as we continue improving the experience.
Paul C.
Health information is prevention. Function delivers highly competent, and insightful medical diagnostics that provide nutritional and supplemental telemetry.
Response from Function HealthJun 27, 2026
Thank you for trusting us with your health. Every review helps more people discover what’s possible with Function.
Sarah
Easy to schedule lab tests, fast results, and thorough clinician notes.
Response from Function HealthJun 26, 2026
Thank you for sharing your experience, Sarah. We're glad you found scheduling easy and that your results and Clinician Notes were delivered quickly and thoroughly.