Dr. Jason Fung is a Canadian nephrologist and leading voice in metabolic health, best known for making the science of fasting and insulin resistance simple,…

Peter Cummings is a preventive health practitioner and endurance sports coach with more than 30 years of experience helping people improve metabolic health through exercise,…

Dr. Alan Schaffer is a board-certified physician specializing in pulmonary, critical care, and sleep medicine. With decades of clinical experience, he focuses on the intersection…

Dr. Marion Mass is a pediatrician, educator, and fierce advocate for restoring integrity to American medicine. A co-founder of the nonprofit Practicing Physicians of America,…

Cynthia Thurlow is a nurse practitioner, bestselling author, and leading voice in women’s metabolic health. With over two decades of clinical experience, she’s known for…

Dr. Frank Dumont is Executive Medical Director at Virta Health, where he leads medical strategy to advance safe, scalable metabolic care. A longtime internal medicine…

Michael Prager is a journalist and writer focused on food addiction and the science of ultra-processed foods. Drawing on personal experience and deep reporting, he…

When there is no guest to interview, Dr. Brian and Dr. Tro get to talk about whatever they want! Today, that’s the microbiome and metabolic…

Dr. Matt Bernstein is a clinical psychiatrist and leading voice in metabolic psychiatry, with 25 years of experience helping people achieve lasting mental health and…

Dr. Jason Fung is a Canadian nephrologist and leading voice in metabolic health, best known for making the science of fasting and insulin resistance simple,…