Customer
Love it!
Easy, convenient, great response time with questions. Easy to read results!

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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Customer
Easy, convenient, great response time with questions. Easy to read results!
Sundas I.
Quick and detailed results that gave me deeper insight to my health. I also love the approach of the supplement and food recommendations and the avoid list. The interface is user friendly, and customer service is amazing. Very satisfied!
Kim B.
Love the idea of knowing what’s going on with my health. Such a great idea and very affordable!
Kevin J.
The scheduling was easy, the results were informative and actionable. Look forward to seeing how things change over time.
MMC
I learned that I had health issues to address that were not identified in my yearly physical.
Steve K.
Quick response
John M.
Your blood tests helped me obtain an early diagnosis of a serious health issue that my regular doctor would never have found, because the annual blood tests he had me doing did not test for this issue.
Cheryl
I really like the app, it was easy to schedule labs. The results and notes time frame is accurate and informative. I found it helpful. I do think that it should be considered that on your check in lab draw all your labs that are out of range be re-tested without added cost. Some of my labs that were out of range were automatically in the follow up lab draw, but I had to come out of pocket for some there were not and I wanted to see if there would be improvements based on the recommendations from the notes.