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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Mark
Quick results, great explantion of each test and a ton of information. So glad I signed up.
Response from Function HealthJul 25, 2026
Thank you for your wonderful feedback, Mark! We're so glad to hear you received your results quickly and found the explanations clear and informative. We truly appreciate you taking the time to share your experience, and we're happy to have you as a member.
C. E.
Comprehensive labs for excellent prices! Quick, easy, & convenient. The clinician feedback is fantastic. I love the app, because it identifies root cause factors that affect my biomarkers & suggests protocols.
Response from Function HealthJul 25, 2026
Thank you for your kind words. We're so glad to hear you've found the experience quick, easy, and convenient. It's wonderful to know you're finding the clinician feedback and app insights valuable. We truly appreciate you taking the time to share your experience.
JASWINDER R.
Awesome service
Response from Function HealthJul 20, 2026
Here's to owning your health.
joe
i got all the test resuts as promised
Response from Function HealthJul 20, 2026
To 100 healthy years.
julie
I have been told that while I have completed all of the blood work… they do not have my Tests or results. I have not been able to speak to a real person live and it appears as if I’m out my money and results. Work with a company that has a “live” person helping with customer service issues!!
Response from Function HealthJul 19, 2026
Thank you for sharing your feedback, Julie. We’re truly sorry to hear about your experience and would love the chance to make it right. Our team has reached out to you directly to assist further and look into your concerns. We look forward to connecting with you soon.
Donald S.
Great information and clinical review
Response from Function HealthJul 18, 2026
Thank you for your review, Donald. We're so glad to hear you found the information and Clinician Notes helpful. We appreciate you taking the time to share your experience with Function.
Barbara
Clear and concise interpretation of all my tests with a clear plan going forward, knowing how I improved some markers and what needs a bit of improvement.
Response from Function HealthJul 18, 2026
Thank you for your wonderful review, Barbara. We're so glad to hear you found your results clear, easy to understand, and helpful in tracking your progress over time. We appreciate you taking the time to share your experience with Function.
Jan
The process is easy. This is my second year. I have added Function as a proactive way to monitor my health changes and as a tool to help with preparing for annual doctor visits. I know they continue to update the website. I work in the software industry and feel there are still some improvements that could be made to make it easier to read and summarize the data.
Response from Function HealthJul 25, 2026
Thank you for sharing your experience, Jan. We're glad to hear Function has been a helpful tool for monitoring your health and preparing for your annual doctor visits. We also appreciate your thoughtful feedback about the website experience. Feedback like yours helps us identify where we can continue to improve, and we appreciate you taking the time to share it.
