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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DEBORAH B.
I was extremely impressed with the entire process. From scheduling, to the platform, to the results and comprehensive analysis. I felt it was well worth the money as it provided such valuable information. I highly recommend it to anyone who wants to take control of their own health.
Response from Function HealthMar 31, 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.
Jen P.
The process was simple, a great value, and had several extras I didn't realize would come with the order, particularly the recommended action plan. I found that very helpful. I have already implemented changes and have seen tangible change, all from getting the Function Health tests! I look forward to being a lifelong client!
Response from Function HealthMar 31, 2026
Appreciate you sharing this, Jen. Your experience shows what’s possible when you have access to clear health data and a plan to act.
Barb
Service and results explained.
Response from Function HealthApr 3, 2026
Way to take charge of your health 🧡
Warren K.
Function dives pretty deep even at the basic level blood tests, to reveal where you are healthwise, and what could be improved.
Response from Function HealthApr 3, 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.
Susan
Excellent way to finally get a complete picture of your health. Supplement with confidence, not guesswork. See the changes you make based on the testing results and clinicians notes improve your markers. My phlebotomist said she has seen Function discover illness long before traditional medicine would have. The outcomes are much better when diagnosed early. I’m going to buy memberships for my adult children.
Response from Function HealthApr 3, 2026
Thank you for sharing this, Susan! We're so glad Function has given you the confidence to make informed decisions about your health and actually see the impact of the changes you're making. Reviews like yours inspire others to take the first step toward understanding their health.
MILES
Simple process. After results come in, its made clear what they mean and areas to improve.
Response from Function HealthApr 3, 2026
Your feedback means the world to us. We’re here to help you unlock a clearer, whole-body view of your health.
Laura M. C.
Quick, comprehensive blood work. Easy to understand summary.
Response from Function HealthApr 3, 2026
Thank you for trusting us with your health. Every review helps more people discover what’s possible with Function.
Nelly
I’ve had a great experience learning how to increase my longevity through function health. What a powerful tool at a minimal cost. I’ve recommended you time & time again. Thank you so much!
Response from Function HealthMar 31, 2026
Thank you for trusting us with your health. Every review helps more people discover what’s possible with Function.
