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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Julie D.
The entire process was very simple. From all of the blood draws to receiving the results, and the feedback. Process was very straightforward and useful.
Response from Function HealthAug 9, 2026
Thank you for the kind words, Julie. We’re glad the entire experience felt simple and straightforward, and that you found the results and insights useful. We appreciate you sharing!
Claude
What made it great for me is it was seamless. Easy to get scheduled with the lab work and prompt results.
Response from Function HealthAug 9, 2026
Thank you for sharing, Claude. We’re glad the experience felt seamless, from scheduling your lab visit to receiving your results promptly. We appreciate the kind words!
Guest
Great value
Response from Function HealthAug 2, 2026
We’re thrilled you’re finding value in Function. Thank you for sharing your experience.
Abigail
Quick results with easy to understand impacts of results, plus what is going well and what needs some attention.
Response from Function HealthAug 9, 2026
Appreciate you sharing this, Abigail. We’re glad your results arrived quickly and made it easy to understand what’s going well and where you may want to focus your attention. We’re glad you’re here!
tessa
Great experience. From start to finish. Super informative and have recommended to many friends and family.
Response from Function HealthAug 9, 2026
Thank you for sharing, Tessa. We’re glad you had a great experience from start to finish and found the information valuable. We really appreciate you recommending Function to your friends and family!
Kristin M.
Function is the easiest and most convenient service to finding out the most about your personal health. The testing is quick, the results come back when expected (or sooner), and the clinician notes are understandable to the average person. I highly recommend Function to everyone who wants to understand more about their health. I’ve even gifted it to others. The value is excellent!
Response from Function HealthAug 9, 2026
Kristin, thank you for the kind words. We’re glad Function has given you greater peace of mind and made your results easy to understand. It means a lot that you’ve recommended Function and even shared it with others as a gift. We’re grateful to have you with us!
Dennis
The overall experience was good, from having my blood drawn to getting the final report. I really appreciate the in-depth report that is sent afterwards. It helps keeping me on track for my overall health.
Response from Function HealthAug 9, 2026
Thank you for sharing, Dennis. We’re glad you had a positive experience from your lab visit through receiving your final report, and that the detailed insights are helping you stay informed about your health. We appreciate having you with us!
Chris E.
Easy fast for me
Response from Function HealthAug 9, 2026
Glad to hear it, Chris. We’re happy the experience was quick and easy for you. Thanks for sharing!
