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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Nita E.
Second year with Function Health labs. Quick results and nice turnaround with clinician summary. Love the 100+ lab results, much better then my HMO labs.
Response from Function HealthOct 15, 2026
Hi Nita, thank you for sharing your experience and for choosing Function for a second year! We're glad to hear you're enjoying the quick results, clinician summaries, and insights from your testing. We appreciate you taking the time to share your feedback!
HB
Detailed labs and provided in one app for review along with guidance on how to address any issues with labs that are not in normal range.
Response from Function HealthOct 15, 2026
Thank you for sharing your experience! We're glad you find it helpful to have your results and insights organized in one place, along with clear guidance to better understand your biomarkers. We appreciate your feedback.
Lacey
Very thorough in information about why a marker is important, how and what to do to fix it!
Response from Function HealthOct 15, 2026
Thank you for sharing your experience, Lacey. We're glad you're finding the information about your biomarkers helpful and that the insights provide clarity on your results. We appreciate your feedback.
Mark D.
I’m happy with my results of my recent function blood panel. Things have improved quite a lot in two years and I appreciate the advice on supplementation, foods and other perspective into areas that need work.
Response from Function HealthOct 14, 2026
Thank you for sharing your experience. We’re so glad you’ve been able to see meaningful changes in your results over the past two years and have found the insights helpful. We truly appreciate your continued trust in Function.
Pamela
Easy check in and blood draw. Nice people. Timely and thorough report.
Response from Function HealthOct 14, 2026
Thank you for sharing your experience. We’re glad the check-in and blood draw went smoothly and that you found the team friendly and the report thorough. We truly appreciate your thoughtful review.
Pamela R.
As someone originally from another country, now living in the United States without health insurance, discovering Function Health has been a wonderful opportunity for me. Taking care of my health has always been important, but continuing to monitor it while living abroad without insurance can be challenging and expensive. 2026 was my first year with Function Health, and it has been a really positive experience! I completed my first comprehensive blood panel and then had my follow-up tests halfway through the year. Having the opportunity to check so many biomarkers twice a year has been incredibly valuable. I particularly appreciate being able to monitor everything from thyroid function and hormones to vitamins and metabolic health, all in one place. Being able to compare my results over time helps me better understand my body and stay proactive about my wellbeing. For someone in my situation, having access to this kind of service makes a meaningful difference. It’s not just about blood tests; it’s about having the opportunity to continue looking after my health, even while living far from my home country. I’m so pleased with my first year that I’m already planning to renew my membership for 2027! Thank you, Function Health, for making preventive healthcare more accessible and giving people like me the opportunity to prioritise their health.
Response from Function HealthOct 14, 2026
Thank you for sharing your experience. We’re delighted to hear Function has been a valuable resource for staying informed about your health, especially while living away from your home country. We truly appreciate your kind words and look forward to having you with us for another year.
Gregory D.
Like the follow up
Response from Function HealthOct 13, 2026
To 100 healthy years, Gregory.
Kerri
Quick concise results
Response from Function HealthOct 12, 2026
Thank you for your kind words. We appreciate you taking the time to share your experience.
