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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Galeen
Routine exams/blood tests give you the basics and nothing more. I was very pleased with the in-depth results of the testing.
Response from Function HealthAug 14, 2026
Thank you for sharing, Galeen. We’re glad the breadth of your results gave you deeper insights into your health. We appreciate the kind words!
Mallory P.
good descriptions of my condition and what to do about it. first draw was in my town, the second draw, that location had closed so had to drive 30 miles.
Response from Function HealthAug 14, 2026
Mallory, we’re glad you found the insights clear and helpful. We also hear you on the inconvenience of having to travel farther for your second lab visit. We appreciate you sharing your experience and feedback.
customer
The only thing I would say is you need to be better about the referral process. I have told many people about your service, I think only one of my referrals actually gave me credit.
Response from Function HealthAug 14, 2026
We appreciate you sharing Function with others, and we’re sorry for the frustration with the referral process. We appreciate you bringing this to our attention. Our team will follow up directly to look into your referral credits.
Paige O.
Function Health gave me better results than my own doctor and found a genetic disorder I wasn't aware of that could prevent a heart attack and stroke later in life. The same genetic disorder that may have killed my uncle and grandfather caused the heart issues my father experienced and resulted in major heart surgery. I'm very grateful to Function Health and a true believer.
Response from Function HealthAug 14, 2026
Paige, thank you for sharing your experience. We’re glad your Function results provided important information that you can bring into conversations with your care team and continue to monitor. We truly appreciate your trust in Function.
Tana L.
Got my results back quickly.
Response from Function HealthAug 14, 2026
Thanks for sharing, Tana. We’re glad your results came back quickly and appreciate you being part of Function!
Leah
This blood work is very thorough. It helped me figure out exactly what kind of support my body needs right now!
Response from Function HealthAug 14, 2026
Thank you for sharing, Leah. We’re glad the breadth of testing gave you helpful insights into your health and areas to focus on. We appreciate the kind words!
Mrs A.
Becoming a member of Function Health is the best thing I could’ve done for my health… a step forward in being more educated and proactive about preventative and needed care. The entire process was professional and simple, as well as affordable. I HIGHLY recommend everyone to become a member.
Response from Function HealthAug 14, 2026
Thank you for the kind words, Mrs Attias. We’re glad Function is helping you feel more informed and engaged with your health, and that the experience has been simple and valuable. We truly appreciate your recommendation!
Eric
In-depth, fast analytical feed back, great app, awesome customer support etc, definitely recommend.
Response from Function HealthAug 14, 2026
Thank you for the kind words, Eric. We’re glad you’ve enjoyed the app, timely insights, and support from our team. We truly appreciate your recommendation!
