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 100+ 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.

Data that puts your health in motion
Testing is easy
Explained by top doctors and researchers
No insurance needed
Transparent pricing
Heart testing beyond cholesterol
Autoimmunity testing
Hormones & fertility testing
Nutrient & electrolyte testing
Access to cancer testing
Standard checkup
Real people. Real results.




Medical & Scientific Advisory Board

Professor of Neurobiology at Stanford School of Medicine and host of the Huberman Lab podcast.

Chief of Innovation and Professor of Radiology at NYU Medical School, pioneered parallel MRI and AI-driven imaging technology.

Professor of Medicine at Columbia University, medical oncology specialist.

Head of the Division of Solid Tumor Oncology at Memorial Sloan Kettering Cancer Center, and leader in cancer genetics.