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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P R.
Expensive.
Response from Function HealthJul 26, 2026
Thank you for taking the time to share your feedback. We understand that cost is an important consideration, and we appreciate you sharing your perspective. Feedback like yours helps us continue evaluating and improving the experience we provide.
Mrs A.
I like that the results from Function come back quick. It s start to see where I can make improvements on my health
Response from Function HealthAug 2, 2026
Thank you for taking the time to share your experience, Mrs. Anderson. We're so glad to hear your results arrived quickly and that the insights are helping you identify areas where you can make positive changes. We appreciate you trusting Function with your health.
Sherry
Easy, thorough clinician notes, good information.
Response from Function HealthAug 2, 2026
Thank you for taking the time to share your experience, Sherry. We're so glad to hear the process was easy and that you found the clinician notes and insights helpful. We appreciate you trusting Function with your health.
Jill
I really appreciate what Function offers. Through consistent lab work and following their recommendations (diet, supplements, etc.), I have drastically improved my health. My cholesterol has dropped; I am no longer prediabetic. So much positive from simply committing a little money for labs and adjusting my diet to achieve a better tomorrow.
Response from Function HealthAug 2, 2026
Thank you for taking the time to share your experience, Jill. We're so glad to hear you've seen meaningful progress over time and that the insights have helped support positive changes. We appreciate you trusting Function with your health and are grateful to be part of your journey.
Meri D.
I love getting the indicators that help me regulate my health with my doctor. My insurance will not pay for many of these tests and they are critical for understanding the whole picture.
Response from Function HealthAug 2, 2026
Thank you for taking the time to share your experience, Meri. We're so glad to hear the insights have helped you have more informed conversations with your doctor and better understand your health. We appreciate you trusting Function with your health.
Scott
The visit was fast and went well. The results came back very quickly and were easy to interpret.
Response from Function HealthAug 2, 2026
Thank you for taking the time to share your experience, Scott. We're so glad to hear your appointment was quick and went smoothly, and that your results arrived promptly and were easy to understand. We appreciate you trusting Function with your health.
Pedro T.
This gave me so much into my health. I will sign up again.
Response from Function HealthAug 2, 2026
Thank you for taking the time to share your experience, Pedro. We're so glad to hear the insights have helped you better understand your health. We appreciate your continued trust in Function and look forward to supporting you again.
Kati
I love function health! It makes getting labs so accessible and I love the breakdown of what your results mean. I especially love that the goal is to track over time and continue to make healthy changes to improve your health. Every touch point with function has been a wonderful, easy experience
Response from Function HealthAug 2, 2026
Thank you for taking the time to share your experience, Kati. We're so glad to hear you've found the process easy, the results easy to understand, and the ability to track your progress over time valuable. We appreciate your kind words and thank you for trusting Function with your health.
