- Company
- Function Health
- Role
- Co-Founder & Chief Medical Officer
- Est. Net Worth
- $5 Million (Est.)
- Stage
- Emerging
- Industry
- Healthcare
Mark Hyman
Co-Founder & Chief Medical Officer at Function Health
About
Mark Hyman is a physician who became one of the most prominent advocates for functional medicine — an approach that treats the root causes of chronic disease through nutrition, lifestyle, and personalized diagnostics rather than symptom management. Through bestselling books like 'The Blood Sugar Solution' and 'Food Fix,' his podcast 'The Doctor's Farmacy,' and leadership at the Cleveland Clinic's Center for Functional Medicine, Hyman has reached millions of patients and consumers. He co-founded Function Health, a direct-to-consumer platform offering comprehensive lab testing with over 100 biomarkers to help people take a proactive approach to their health.
Current Company
Function Health — Co-Founder & Chief Medical Officer
Functional Medicine Goes Mainstream
Mark Hyman became one of the most visible physicians in America by championing functional medicine — an approach that treats the underlying causes of chronic disease through nutrition, lifestyle modification, and personalized diagnostics rather than managing symptoms with medications. His bestselling books, including 'The Blood Sugar Solution,' 'Food Fix,' and 'Young Forever,' reached millions of readers with a message that the American healthcare system was better at treating emergencies than preventing chronic illness.
Hyman's appointment as head of the Cleveland Clinic's Center for Functional Medicine gave his approach institutional credibility. The center treated thousands of patients using functional medicine protocols and published research demonstrating outcomes in managing conditions like type 2 diabetes, autoimmune disorders, and metabolic syndrome. His podcast, 'The Doctor's Farmacy,' became one of the most popular health podcasts in the world.
Function Health and Direct-to-Consumer Testing
In 2023, Hyman co-founded Function Health, a direct-to-consumer platform that offers comprehensive lab testing — over 100 biomarkers covering metabolic health, hormones, inflammation, nutrient levels, and organ function — for a fraction of what traditional healthcare systems charge. The thesis was that most people don't know they're sick until symptoms appear, and that proactive, data-driven health monitoring could catch problems years before they become crises.
Critics in mainstream medicine have questioned whether comprehensive testing leads to overdiagnosis and unnecessary anxiety. Hyman argues that the bigger risk is ignorance — that millions of Americans are walking around with undiagnosed insulin resistance, vitamin deficiencies, and early markers of heart disease because the healthcare system only tests when people are already sick. Whether functional medicine represents the future of healthcare or a wellness-adjacent overcorrection, Hyman has been its most effective evangelist.