Function was designed with the Summit community in mind—people who care deeply about their health and value technology's role in advancing it. Co-founded by Summit members Mark Hyman MD and Jonathan Swerdlin, Function is a new platform that starts with 160+ advanced lab tests every year across your entire body, from heart and hormones to nutrients, metabolic health, autoimmunity, toxins and more. With insights grounded in decades of research and guidance from top clinicians, you'll gain a clearer understanding of your health, receive personalized insights, and monitor early indicators of disease.

By top doctors and 1000s of hours of research
Personalized Protocol
Upload past results
No insurance needed
Hormones & fertility testing
Heavy metal & toxin testing
Metabolic & pancreatic testing
Heart testing beyond cholesterol
Nutrient/electrolyte testing
Autoimmunity testing
Thyroid testing
Access to advanced MRI & CT
Access to GRAIL cancer test
Access to Alzheimers & brain testing
Access to mold reactivity testing
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Professor of Neurobiology at Stanford School of Medicine

Chief of Innovation at NYU Langone. Pioneer of AI-driven MRI.

Top medical oncologist. Professor at Columbia University.

Head of the Division of Solid Tumor Oncology at Memorial Sloan Kettering Cancer Center.