Mark E.
Helpful Test Information
Good value for all the blood test feedback information.

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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Mark E.
Good value for all the blood test feedback information.
cb C.
This is my second year with Function Health and I most enjoy the ability to text communication and receive a responses back aspect. They are willing to help. I love that this service is available online and gives me the ability to take some control over and monitor my own health through tests. I have suggested a benefit would be to provide a list of functional medicine doctors in each state.
Saralyn W.
Great experience
dinwa
Blood work and an actionable plan to improve your results. Wait a few months, Retest, repeat.
Michele A.
Breadth of labs, physician feedback
Tammy A.
Had enthusiastic expectations that function health would provide personalized insight. Unfortunatley the review was generic, did not provide personalized direction.
Response from Function HealthNov 9, 2025
Thank you for your feedback, Tammy. We’re continually working to make Function more personalized and impactful. If you have any outstanding questions, our team is always happy to help at [email protected].
Amy
Results are easy to follow and read on app. Easy to order tests and add them.
Bernard W.
Best blood work with complete information on drugs and supplements and right food to keep you healthy and informed. Will keep it up and thanks Skip Witunski