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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Marielisa Á.
Great service, useful insights and protocols. I like the follow up option!
Response from Function HealthAug 12, 2026
Thank you for sharing your experience, Marielisa. We’re glad you’ve found the insights helpful and appreciate having the option to follow up over time.
Billy
An outstanding service for better understanding of your health.
Response from Function HealthAug 12, 2026
Thank you for sharing your experience, Billy. We’re glad Function has helped you better understand your health.
John
I am very happy with the testing and analysis. My only issue is I am in Wyoming and have to travel about three hours to a quest lab in Colorado. I hoping you open a location closer to me.
Response from Function HealthAug 6, 2026
Thank you for taking the time to share your experience, John. We're so glad to hear you've been happy with the testing and analysis. We also appreciate your feedback about lab availability, and we've shared it with our team as it helps guide what we improve next. Thank you for being part of the Function community.
CN
Quick response time and solved my problem.
Response from Function HealthAug 10, 2026
To 100 healthy years.
Dave
Very helpful in managing my health.
Response from Function HealthAug 12, 2026
Thank you for sharing your experience, Dave. We’re glad Function has been a helpful resource for staying informed about your health.
Kat
Super easy to use quick service amazing value
Response from Function HealthAug 12, 2026
Thank you for sharing your experience, Kat. We’re glad you found Function easy to use, efficient, and valuable.
Billy
This is exactly what I was looking for and at a reasonable price. I bought two years' worth, and I'm looking forward to my next blood tests to see my hopeful improvements. The dashboard is super simple and clear.
Response from Function HealthAug 12, 2026
Thank you for sharing your experience, Billy. We’re glad Function is what you were looking for and that you’ve found the dashboard simple and clear. We look forward to helping you track your results over time.
Evelyn
Didn't give you 5 stars because we weren't able to make the appointment through your portal, so when we got to the lab they hadn't sent the orders. It was a bit of a hassle before we were able to get the tests done.
Response from Function HealthAug 7, 2026
Thank you for sharing your experience, Evelyn. We’re sorry for the hassle with scheduling and having your orders available for your lab visit. We’re glad you were ultimately able to complete your appointment, and we appreciate your feedback.
