Gut Gurus

Gut Gurus

The Gut Gurus Podcast provides health education, information and insights backed by evidence from two leading gastroenterologists who have helped thousands of patients manage gastrointestinal disorders and improve their overall health.

Episodes

What the E-Nose Knows with Larry Kosinski

October 1, 2026 • 32 mins
Dr. Naresh Gunaratnam interviews Dr. Larry Kosinski, founder of VIOVOC, a wellness technology company focused on the connection between diet and the gut microbiome. The VIOVOC “E-Nose” plugs into a bathroom outlet and analyzes the air after a bowel movement for volatile organic compounds produced by gut bacteria. When gut bacteria ferment soluble fiber, they […]
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Activating Your Own GLP-1 with Calocurb

August 20, 2026 • 38 mins
Dr. Supriya Rao and Dr. Naresh Gunaratnam interview Sarah Kennedy, founder and CEO of Calocurb, a New Zealand company that makes a non-prescription appetite management supplement. Calocurb’s active ingredient is Amarasate, a bitter hops extract that activates bitter taste receptors in the gastrointestinal tract, prompting the body to release its own appetite-suppressing hormones, including the […]
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When the Gut Microbiome Becomes Imbalanced

May 14, 2026 • 26 mins
Dr. Supriya Rao and Dr. Naresh Gunaratnam examine dysbiosis, the imbalance that develops when the gut microbiome falls out of healthy equilibrium. They discuss what dysbiosis actually looks like inside the gut, how a loss of microbial diversity impairs normal function, and why diet, antibiotics, infections, and chronic stress are among its most common triggers. […]
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Reframing Exercise Rewards with Dr. Michelle Segar

April 9, 2026 • 44 mins
Dr. Supriya Rao and Dr. Naresh Gunaratnam interview Dr. Michelle Segar, a behavior-change scientist at the University of Michigan whose research focuses on helping people adopt and sustain healthy behaviors over the long term. Dr. Segar discusses why traditional health advice so often fails to produce lasting change and how immediate rewards like stress relief, […]
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Measuring Metabolism with Lumen’s Daniel Tal Mor

February 26, 2026 • 52 mins
Dr. Supriya Rao and Dr. Naresh Gunaratnam interview Daniel Tal Mor, co-founder and CEO of Lumen, a health technology company focused on metabolic measurement. Lumen’s handheld device analyzes a breath sample to estimate whether the body is primarily using carbohydrates or fats for fuel and pairs those measurements with app-based guidance designed to support nutrition […]
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Stealth Nutrition with Christopher Gardner

December 4, 2025 • 68 mins
Dr. Supriya Rao and Dr. Naresh Gunaratnam interview Professor Christopher Gardner, Director of Nutrition Studies at the Stanford Prevention Research Center. Professor Gardner has led landmark NIH-funded clinical trials on popular diets, plant-based eating, and how nutrition patterns affect overall health. Dr. Gardner discusses what his research reveals about low-fat versus low-carb diets, how fermented […]
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Treating Obesity with GLP-1 Medications | Part 2

September 19, 2025 • 23 mins
Dr. Naresh Gunaratnam and Dr. Supriya Rao continue their discussion on the role that GLP-1 medications play in weight management. GLP-1 medications help regulate appetite, improve blood sugar control, and support gradual, sustainable weight loss. They can also reduce the risk of type 2 diabetes and improve overall metabolic health. Join Dr. Gunaratnam and Dr. […]
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Treating Obesity with GLP-1 Medications | Part 1

August 28, 2025 • 21 mins
Dr. Naresh Gunaratnam and Dr. Supriya Rao discuss the role that GLP-1 medications play in weight management. GLP-1 medications help regulate appetite, improve blood sugar control, and support gradual, sustainable weight loss. They can also reduce the risk of type 2 diabetes and improve overall metabolic health. Join Dr. Gunaratnam and Dr. Rao as they […]
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Insights on Treating Obesity with Dr. Angela Fitch

August 14, 2025 • 38 mins
Dr. Supriya Rao and Dr. Naresh Gunaratnam interview Dr. Angela Fitch, co-founder and Chief Medical Officer of Knownwell, a primary care and obesity medicine practice that’s redefining how we treat obesity and focus on metabolic health. Dr. Fitch has been at the forefront of obesity medicine for over two decades, helping to shape a more […]
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Exploring the Muscle-Gut Connection with John Hawley

July 31, 2025 • 32 mins
Dr. Supriya Rao and Dr. Naresh Gunaratnam interview John Hawley, head of the Exercise & Nutrition Research Program, and director of the Mary MacKillop Institute for Health Research at the Australian Catholic University in Melbourne. Professor Hawley focuses on the interaction of exercise training and diet on human health outcomes, with a specific emphasis on […]
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