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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Paul J.
I've renewed my membership for another year! Great service that provides a deeper analysis of my health that I can review with my doctor, at a very reasonable cost!
Response from Function HealthAug 2, 2026
So glad to hear you’re enjoying Function. We’re excited to keep supporting you with insights that matter most to your health.
Ryan K.
They were quick and professional
Response from Function HealthAug 9, 2026
Thanks for sharing, Ryan. We’re glad your lab visit was quick and professional. We appreciate the kind words!
Vicki
My experience was flawless, Thank you
Response from Function HealthAug 2, 2026
Thank you for your kind words. We appreciate your feedback.
Crystal
Any questions I had were answered promptly. My labs were in so quickly and I liked to see that. The description for every lab result was so thorough and helpful to understand what is going on and what I need to do to change.
Response from Function HealthAug 9, 2026
Thank you for the kind words, Crystal. We’re glad your questions were answered promptly, your results arrived quickly, and the detailed explanations helped you better understand your health and next steps. We appreciate you sharing your experience!
Kimberly
Process is easy and information provided indepth and helpful.
Response from Function HealthAug 9, 2026
Thank you for sharing, Kimberly. We’re glad the process was easy and that you found the information detailed and helpful. We appreciate the kind words!
Lynn
Great information, easy process. I like the intuitive interface showing results in and out of range. The explanations of results is thorough and helpful. The depth of the cholesterol numbers provided a level of understanding that I had never had before. My doctor and I are now modifying my treatment. Knowing vitamin levels is also really important to me as I focus on healthy aging. The cost vs what you get via traditional healthcare channels can’t be beat.
Response from Function HealthAug 9, 2026
Lynn, thank you for sharing such thoughtful feedback. We’re glad the clear explanations and detailed results have given you a deeper understanding of your health and supported more informed conversations with your doctor. We appreciate having you with us!
Carolyn
Very efficient and informing.
Response from Function HealthAug 9, 2026
Glad to hear it, Carolyn. We’re happy you found the Function experience efficient and informative. Thank you for sharing!
Ms. MAI D.
All in all okay. But had to wait for 20 minutes to get computer order? To work. The woman who took the blood was not smooth-the jab hurts the whole day.
Response from Function HealthAug 1, 2026
Thank you for taking the time to share your feedback. We're sorry to hear your lab visit wasn't as smooth as it should have been. We understand how frustrating the wait and discomfort during your blood draw must have been. We appreciate you bringing this to our attention, and we've shared your feedback with our team as we continue working to improve the member experience.
