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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Emily
Function has helped me pinpoint some deficiencies and get my health back on track. I am super thankful for the ability to keep track annually and see the positive changes
Response from Function HealthAug 8, 2026
We love hearing this, Emily. We’re glad Function has helped you identify meaningful insights and track your results over time so you can see the changes you’re making. Thank you for sharing your experience!
Amy
Easy process very informative great information able to improve my health and see the results and get next steps to continue to have optimal health.
Response from Function HealthAug 8, 2026
Thank you for sharing, Amy. We’re glad the process has been easy and informative, and that your results and insights are helping you understand your progress and next steps. We appreciate having you with us!
Tom C.
Great way to get insights on your metabolic health. Easy to schedule appointment for blood work and results are fast! Easy to understand summary of results and you can print out to share with your doctor!
Response from Function HealthAug 8, 2026
Appreciate you sharing this, Tom. We’re glad scheduling was easy, your results arrived quickly, and the summary made them easy to understand and share with your doctor. Thank you for being part of Function!
Jane
they give good advice and make it easy to draw blood and give lots of results with excellent explanations of what the results indicate.
Response from Function HealthAug 8, 2026
Thank you for sharing, Jane. We’re glad the lab visit was easy and that you found the results, explanations, and insights helpful. We appreciate the kind words!
Customer
The information fast and the summary.
Response from Function HealthAug 2, 2026
We’re thrilled you’re finding value in Function. Thank you for sharing your experience.
Ramona L.
Great info., easy to understand explanation and suggestions for food and lifestyle modifications.
Response from Function HealthAug 8, 2026
Appreciate you sharing this, Ramona. We’re glad you found the insights easy to understand and the food and lifestyle suggestions helpful. We’re happy to have you with us!
Crawford, D.
The process for me was outstanding. There was plenty of communication and all procedures were well explained and easy to follow. Good experience with QuestLab. My location was about 20 minutes from my house. Check in was easy and staff very professional. Results started coming in quickly and were well explained. Summary was very helpful!
Response from Function HealthAug 8, 2026
Thank you for the kind words, Debbie. We’re glad the process felt clear and easy from your lab visit through receiving your results, and that you found the summary helpful. We appreciate you sharing your experience!
Randal
The blood test checkin was very easy. i would give 5 stars if there was an easy way to send my results with the notes to my doctor.
Response from Function HealthJul 29, 2026
Thank you for your thoughtful feedback. We’re pleased to hear your blood draw experience was easy. We appreciate your suggestion about sharing results with healthcare professionals and will share it with our team.
