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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customer
I would like to see a full vitamin panel testing. I was looking to see what I may be deficient in and was unable too.
Response from Function HealthJun 22, 2026
Thank you for sharing your feedback. We appreciate hearing what members would like to see included. Your input helps us continue improving the Function experience, and we’ll be sure to pass this feedback along to our team.
Taha
Very ai’sh. Too much ai text that hard to understand and lot of text
Response from Function HealthJun 22, 2026
Taha, we hear you and appreciate the honesty. Feedback like this helps us improve the member experience. Thank you for sharing it.
Nina L.
Wish this was standard with all health plans - nice insights with recommendes changes to diet etc. Price seems fair given how much we spend on health "care" in the U.S. Easy to schedule and review health data
Response from Function HealthJun 18, 2026
We’re thrilled you’re finding value in Function. Our mission is to empower members like you to understand and take charge of their health.
Lynn
It’s an excellent means to set a health baseline through all our tested bio markers; and most importantly it includes a thorough interpretation of each one - based on the individual data collected from the blood draws. We can act from there. The ability to Chat with questions after the results are individually and securely sent to us is another great benefit. The Function Health answers are based on reference to our own bio info - not something from a generic health website. I will renew next year. It’s worth it!
Response from Function HealthJun 18, 2026
We appreciate you sharing this, Lynn. Reviews like yours inspire others to take the first step toward understanding their health.
John
Appreciate all the detailed test results and physician follow up and comments. It’s really helpful to have a much more comprehensive deep dive into my health and plan going forward!
Response from Function HealthJun 18, 2026
Your feedback means the world to us. We’re here to help you unlock a clearer, whole-body view of your health.
Paige
Waste of Money! Results were wrong
Response from Function HealthJun 18, 2026
Thanks for letting us know. We’re sorry your experience wasn’t what you expected. We’ve reached out to gather a few more details so we can look into this further. Once we gather the necessary details we will update our reply here.
Jill
Love this program! It gave me good insight into my current health, along with layman’s terms that helped me understand the individual tests so I can discuss them with my PCP intelligently.
Response from Function HealthJun 18, 2026
Thank you for trusting us with your health. Every review helps more people discover what’s possible with Function.
Janet
excellent interpretation
Response from Function HealthJun 18, 2026
We’re thrilled you’re finding value in Function. Our mission is to empower members like you to understand and take charge of their health.
