Ep. 585 “The Metabolism Show!” – How Trillions of Microbes Control Your Daily Energy Burn with Dr. Karen Corbin | Menopause & Gut Health

Ep. 585 “The Metabolism Show!” – How Trillions of Microbes Control Your Daily Energy Burn with Dr. Karen Corbin | Menopause & Gut Health

April 25, 2026 · 1h 6m

About this episode

Dr. Karen Corbin discusses the impact of the gut microbiome on women's metabolic health and aging.

Today, I am honored to welcome Dr. Karen Corbin, an Associate Investigator and Obesity Program Lead at the AdventHealth Translational Research Institute, and the Founder and Chief Geek of Geeks That Speak. Her scientific career centers on human nutrition and metabolism, with a focus on uncovering the mechanisms behind individual susceptibility to metabolic diseases, including obesity, diabetes, and liver disease. A gifted scientific storyteller, Dr. Corbin founded Geeks That Speak to help scientists and fellow geeks communicate complex information in ways that are clear, compelling, and actionable. She joins us today to share her perspective on the gut microbiome and its role in women's aging. She discusses her background as a registered dietitian and research scientist, and we explore the fundamentals of the gut microbiome, metabolic health, fermentation, and metabolism, including specific metabolites such as short-chain fatty acids, bile acids, and postbiotics. We examine fiber as a critical fuel substrate, the research on its utilization, and the unique metabolic vulnerabilities women in midlife face. We also explore whether the microbiome drives insulin resistance, whether…

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