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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Jennifer
Because Function health test for so many things I found out so much more about my body and how to adapt my lifestyle to improve my health. My PCP would never have known about my health risk as they do not perform the same tests.
Response from Function HealthJul 12, 2026
Your feedback means the world to us. We’re here to help you unlock a clearer, whole-body view of your health.
James B.
Overall great, but at the end was expecting more. Would have been nice to have a recommendation summary of what to do. The clinical review was thorough but seemed more AI generated. Some specific recommendations on actions I could take to improve my health, like supplements, exercise or whatever would be good. Knowing what is concerning is great but knowing what I can do proactively aside from see a specialist would me freat
Response from Function HealthJul 12, 2026
Hi James, thank you for this feedback! We're glad the overall experience was positive, and the clinical review felt thorough. We hear you on the request for more specific, actionable guidance around supplements, exercise, and lifestyle. This is something we are always working to improve. We'll make sure this gets passed along to the team.
Joel B.
The recommendations were basic and seemed to fit a specific idealized diet program that hasn’t been proven by science. Good cost for blood work but terrible review and summary. Waste of money overall.
Response from Function HealthJul 12, 2026
Thanks for the thoughtful review, Joel. We hear you and appreciate your honest feedback. We’re continually refining Function to make our insights more personal, clearer, and more actionable. If you want to share more about your experience, contact [email protected].
Beth
Did not see results for MTHFR gene test
Response from Function HealthJul 12, 2026
Thank you for your review, Beth. We've reached out to you directly and are assisting you with this matter. Please continue the conversation there so we can provide further support specific to your account.
Scribbly D.
Heard anout Function from Huberman lab podcast about a year ago. Have been bounced around between doctors, none of whom would order the in-depth bloodwork. Now, I have some possible solutions and a more concrete basis for indepth conversations with my primary care provider as well specialists. Used my medical savings to pay for it. A bargain, considering it includes a 6 month followup.
Response from Function HealthJul 12, 2026
Thank you for sharing this! Going from being bounced between doctors to having a concrete foundation for meaningful conversations with your care team is exactly the kind of shift we hope Function makes possible. So glad it's been worth it.
Stephanie G.
Wow! I am absolutely blown away by this service. This is by far above and beyond anything else I've experienced or seen available out in the world. Thank you!
Response from Function HealthJul 12, 2026
Hi Stephanie, thank you so much! This made our day. To 100 healthy years.
Nicole
I appreciate the ability to receive detailed panel information and an official summary from a professional to know where I stand from a health perspective.
Response from Function HealthJul 12, 2026
Hi Nicole, thank you! Knowing where you stand and having a professional summary to back it up is exactly what we're here for.
PW
I have severe anemia. Is improving. I have frequent testing to make sure the supplements I’m taking are working. Dozen more things that I check and the turnaround time is exceptionally quick. Love it.
Response from Function HealthJul 12, 2026
Thank you for sharing your experience. We're so glad to hear you're finding the results helpful for tracking your progress over time and that the turnaround has been quick. We appreciate your kind words and thank you for being part of the Function community.
