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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Megan
So insightful!! I’ve had problems for years and never could pinpoint it. I took a chance on Function health and got my answers. Best midnight purchase, I have NO regrets!! Lots of insights and worth every dollar.
Response from Function HealthSep 27, 2026
Thank you for your thoughtful review. We’re thrilled to hear you found the insights valuable and that your experience exceeded expectations. We truly appreciate your support.
Barbara
Whole process is easy; tests are processed and shared quickly along with a personalized analysis of each set of results.
Response from Function HealthSep 27, 2026
Thank you for sharing your experience. We’re glad the process has been easy and that you’ve found the timely results and personalized insights valuable. We truly appreciate your thoughtful review.
Matt
Turnaround time is excellent.
Response from Function HealthSep 27, 2026
We’re thrilled you’re finding value in Function. Thank you for trusting us with your health.
Bradley D.
This is an excellent investment into your self.
Response from Function HealthSep 27, 2026
Thank you for sharing, Bradley. We’re so glad to hear you’ve found value in your Function experience.
Sandy
Labs resulted very quickly with clinical notes.
Response from Function HealthSep 27, 2026
Thank you for sharing your experience, Sandy. We’re glad to hear you received your results quickly and found the clinical notes helpful.
Mia
Amazing and easy to use
Response from Function HealthSep 27, 2026
Thank you for sharing, Mia. We’re so glad to hear you’ve found Function easy to use and had a great experience.
Sharron H.
Ease of using the service and scheduling. Prompt response with results. Feedback is easy to review, digest literally, and Function informs you on how to make better nutrition and health choices instead of guessing.
Response from Function HealthSep 26, 2026
Thank you for sharing your experience, Sharron. We’re so glad to hear you’ve found Function easy to use, that scheduling and results have been prompt, and that the feedback has been helpful.
Patrick D.
The nurse that was sent over was very professional. i enjoyed the overall service! I also greatly appreciated the punctuality, as well as the notification prior to the appointment, thank you!
Response from Function HealthSep 26, 2026
Thank you for sharing your experience, Patrick. We’re glad to hear your appointment went smoothly and that you appreciated the professionalism, punctuality, and communication throughout the process.
