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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Marlon R.
It was easy to make the appointment. Then getting the blood drawn was also easy. Once you get the results you start looking at what you personally need to do for health changes
Response from Function HealthAug 13, 2026
Thank you for sharing, Marlon. We’re glad scheduling and your lab visit were easy, and that your results helped you identify areas to focus on. We appreciate the kind words!
Linda
I found the tests very insightful and helpful. I understand things more in depth now. I did purchase some add on tests that my doctors would NEVER test for. The supplement protocol was based off of my results and I really liked that as well as the other protocols. Now I only take the supplements that MY body needs. I was excited that my biological age was actually younger than my true age. I must be doing something right. I can’t believe I got all of this for the price.
Response from Function HealthAug 13, 2026
Linda, thank you for sharing your experience. We’re glad the results and personalized insights have helped you better understand your health and make more informed decisions. It’s great to hear you’ve found so much value in Function!
Pamela
Super easy, very efficient! Recommending to all my family and friends
Response from Function HealthAug 12, 2026
Thank you for trusting us with your health.
Aaron
Highly recommend! Easy to use and extremely thorough!
Response from Function HealthAug 12, 2026
Thank you for the kind words, Aaron. We’re glad you’ve found Function easy to use and thorough. We truly appreciate your recommendation!
Deborah
The ease of the website. The simple way to get labs drawn.
Response from Function HealthAug 12, 2026
Thank you for sharing, Deborah. We’re glad the website was easy to navigate and the lab process felt simple and straightforward. We appreciate the kind words!
Mollie
The review of my tests was very thorough and I liked how they pointed out some marginal test results. Many doctors would have overlooked them since they were technically within range. The price is great and I will continue to use them!
Response from Function HealthAug 13, 2026
Thank you for sharing, Mollie. We’re glad the detailed review helped highlight areas worth paying attention to and gave you additional insight into your results. We appreciate your continued trust in Function!
Rajul J.
Great app, very useful
Response from Function HealthAug 12, 2026
Thank you for trusting us with your health.
Tayler
I was looking for insight as to why I have reoccurring acne breakouts in my late 20s. It's so nice to have clear answers about my hormones and what my body is missing. I also added a food sensitivity test which was actually mind blowing to me! I highly recommend trying Function Health to get a sense of your general wellness.
Response from Function HealthAug 13, 2026
Thank you for sharing, Tayler. We’re glad your results gave you helpful insights and a better understanding of your health. We truly appreciate your recommendation!
