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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Jo
Incredibly easy with a lot of helpful information! So much value for what you’re paying!
Response from Function HealthJul 25, 2026
Thank you for your recommendation, Jo! We're so glad to hear you found the experience easy and the information helpful. We truly appreciate your kind words and are grateful you took the time to share your feedback.
Pke
Function Health is great - Ezra , not so much. Will use another company if we decide to do scans again .
Response from Function HealthJul 25, 2026
Thank you for taking the time to share your feedback. We're glad to hear you've had a great experience with Function, and we're sorry to hear your scan experience didn't meet your expectations. We appreciate you sharing this with us. If there's anything we can help with, please don't hesitate to reach out to us at [email protected].
Long Live H.
Amazing opportunity for people to take control of their health! The labs are so easy to schedule or reschedule if needed. The App is so easy to read and navigate. Food lists and recipes are perfect. The clinitian notes are clear and helpful. Perhaps #1 is "Why" each lab matters!!
Response from Function HealthJul 25, 2026
Thank you for your wonderful feedback! We're so glad to hear you've found the scheduling process easy, the app simple to navigate, and the clinician notes clear and helpful. It's especially meaningful to know that understanding why each biomarker matters has been valuable to you. We truly appreciate you taking the time to share your experience.
Nathaniel
The value and information provided by function health is invaluable. I am super pleased.
Response from Function HealthJul 25, 2026
Thank you for your wonderful feedback, Nathaniel! We're so glad to hear you're pleased with the value and information you've received. We truly appreciate you taking the time to share your experience and your support.
Kathy F.
This is my third blood testing through Function. Worthwhile to have all the info my GP doesn’t test for. I appreciate the insightful comments about ways to improve and how to move forward.
Response from Function HealthJul 25, 2026
Thank you for sharing your experience, Kathy! We're so glad to hear you've found value in your testing over the past three years. It's wonderful to know the insights and clinician notes have been helpful in supporting conversations with your GP and helping you plan your next steps. We truly appreciate your continued support and thank you for taking the time to share your feedback.
Nena
All AI read. Nothing major would change in 6 months. They just make money.
Response from Function HealthJul 19, 2026
Thank you for your honest feedback, Nena. We understand your concerns and have reached out to you directly via email to learn more. We hope to connect with you soon.
Mimi G.
Easy to complete, fast results, good clinical notes written in fairly plain language. I consider it a good value for such a comprehensive set of tests.
Response from Function HealthJul 25, 2026
Thank you for your thoughtful feedback, Mimi! We're so glad to hear you found the process easy, received your results quickly, and found the clinician notes clear and helpful. We truly appreciate your kind words and are grateful you took the time to share your experience.
JR
I would give a 5 star however I was given this as a gift and the person who signed me up used my work email and I have requested more than once to have my email changed, but have not received a response.
Response from Function HealthJul 20, 2026
Thank you for sharing your feedback, Judi. We’re sorry to hear about the difficulty updating your email address. Our team has reached out to you directly to help resolve this, and we look forward to getting everything updated for you.
