The Mind-Gut Conversation Podcast

Emeran Mayer, MD

The Mind-Gut Conversation brings in experts within various fields of health & science to have a discussion with world-renowned gastroenterologist, neuroscientist and bestselling author of The Mind Gut Connection, Emeran Mayer, MD.

  1. 5D AGO

    What if Consciousness Starts in Your Gut, Not Your Brain? with Michael Pollan | MGC Ep. 117

    Consciousness is one of science's deepest mysteries — and it may be under threat. In this episode of The Mind–Gut Conversation, Dr. Mayer is joined by Michael Pollan, author and one of our most important thinkers on the relationship between humans and the natural world, to discuss consciousness, the subject of Michael's latest book. They explore what consciousness actually is, how it differs from sentience and intelligence, and why the gut operates with remarkable sophistication outside conscious awareness. Michael explains how his lifelong interest in plants, food, and psychedelics eventually led him to confront fundamental questions about awareness — including why humans seem evolutionarily driven to alter their consciousness despite the obvious risks. But the conversation takes a contemporary turn when Michael describes his growing concern that technology platforms — social media, smartphones, AI chatbots — are eroding human consciousness by keeping us in a state of minimal awareness for hours each day. He argues that corporations are monetizing our headspace, fragmenting our attention, and undermining our ability to think independently and connect authentically. Michael also discusses his personal meditation practice and why caring for consciousness is not about withdrawing from the world, but strengthening our capacity to engage with it responsibly. This episode offers an essential, wide-ranging exploration of consciousness, attention, the brain-gut connection, and what it means to be fully human in an age of unprecedented distraction. Topics discussed include: • What consciousness is and how it differs from sentience • Why the gut's intelligence operates outside awareness • How plants and animals co-evolve with humans • Why humans seek altered states of consciousness • The relationship between interoception and consciousness • How technology threatens human awareness and attention • Why meditation strengthens engagement with the world This is a thought-provoking discussion for anyone interested in consciousness, the mind-body connection, and preserving human awareness in a distracted world. ————————————————————————————— Connect with Dr. Mayer: Website: https://www.emeranmayer.com Instagram: https://www.instagram.com/emeranmayer/ X: https://www.x.com/emeranmayermd Facebook: https://www.facebook.com/EmeranMayerMD/ LinkedIn: https://www.linkedin.com/in/emeranmayer/ ————————————————————————————— Chapters: 0:00 - Introduction 2:48 - From Gardens to Consciousness: Michael's Journey 6:08 - Do Plants Manipulate Humans? 8:27 - Sentience vs. Consciousness 13:32 - Why Humans Alter Consciousness 18:36 - The Brain-Gut Connection and Consciousness 25:42 - What Is Consciousness Really For? 33:06 - Different Forms of Consciousness in Nature 40:20 - Is Consciousness Under Threat from Technology? 43:51 - Defending Consciousness in an Age of Distraction 45:41 - Michael's Personal Meditation Practice 46:21 - Closing Remarks

    47 min

  2. APR 28

    What 99% of Fiber Supplements Get Wrong with Jens Walter, PhD | MGC Ep. 116

    For decades, fiber was shorthand for digestiveregularity. Today, the science tells a more complex and far more interesting story. In this episode of The Mind–Gut Conversation, Dr. Mayer is joined by Professor Jens Walter, a leading microbiome scientist at University College Cork in Ireland, to discuss one of nutrition’s most surprising findings: fiber supplements don’t work like whole foods. Prof. Walter’s research reveals a striking paradox. In clinical trials, fiber supplements consistently show minimal or negative results. But when his team studied a non-industrialized diet rich in whole grains, legumes, fruits, and vegetables — mirroring ancestral eating patterns with around 45 grams of fiber daily — the metabolic and immune effects were profound. The difference isn’t just about fiber content. It’s about food structure. Prof. Walter explains how intrinsic fiber — thethree-dimensional architecture of plant cell walls — traps nutrients, slows digestion, and fundamentally changes how the body processes food. He also explores emerging mechanisms like pH lowering, which reduces carcinogenic metabolites in the gut, and the often-overlooked role of eating speed in metabolic health. This conversation challenges widely held assumptions aboutsupplements, processed foods, and what it actually takes to eat well. Prof. Walter also addresses common questions: Does cooking destroy fiber? What about low-fiber diets like the Inuit tradition? And why do we keep hearing that healthy food is bland? This episode offers a grounded, evidence-based look at howtraditional diets — cooked, flavorful, and built on whole foods — can fundamentally change metabolism and immune function in short periods of time. Topics discussed include: • Why fiber supplements fail where whole foods succeed • What intrinsic fiber is and why food structure matters • How pH lowering in the gut reduces carcinogenic metabolites • The role of eating speed and satiety in metabolic health • What the Inuit and Mediterranean populations reveal about diet diversity • Ultra-processed foods vs. whole food diets • How cooking affects fiber, polyphenols, and nutrient content • Why the magnitude of diet’s effects on health “can’t be overstated” This is a practical, science-driven discussion for anyone interested in nutrition, gut health, microbiome science, and chronic disease prevention. Chapters: 0:00 - Introduction3:05 - The Fiber Paradox: Supplements vs. Whole Foods7:37 - What Is Intrinsic Fiber?10:23 - Traditional Diets: Inuit, Mediterranean, and Longevity15:49 - Food Diversity and Fiber Combinations21:18 - Is There an Ancestral Human Diet?28:38 - Can We Engineer Healthier Processed Foods?32:03 - Adding Fiber to Modern Foods36:31 - The Critical Role of Eating Speed43:54 - Does Cooking Destroy Fiber?47:07 - Why Healthy Eating Isn't Bland

    50 min

  3. APR 14

    Joint Health, Mobility, and the Mind-Body Connection with Jeff Bailey | MGC Ep. 115

    Joint pain and limited mobility are often treated as inevitable parts of aging — but what if there's a fundamentally different way to think about joint health? In this episode of The Mind–Gut Conversation, Dr. Mayer sits down with Jeff Bailey, founder of Avita Yoga and author of the bestselling book Mobility for Life, to explore a revolutionary approach to restoring joint health through yoga. Unlike conventional methods that emphasize stretching and flexibility, Jeff's practice focuses on compression, fascial reorganization, and the body's natural capacity for healing. They discuss why protecting your joints may actually accelerate their decline, how injuries can become doorways to deeper understanding, and the critical connection between mind and body in the healing process. Jeff also shares his personal journey — from assisting his veterinarian father as a child to recovering from a severe ski injury at age 50 — and how these experiences shaped his understanding of what joints actually need to thrive. This episode offers a practical, evidence-based perspective on joint health, chronic pain, and how to maintain mobility and independence throughout life. Topics discussed include: Why joints need compression, not stretchingThe role of fascia in structural healthThe mind-body connection in healingReframing injury as opportunityPractical approaches to maintaining lifelong mobility This is a grounded, practical conversation for anyone dealing with joint pain, arthritis, or interested in maintaining lifelong mobility.

    46 min

  4. MAR 31

    The Truth About Peptides with Dr. Emeran Mayer | MGC Ep. 114

    Peptides are everywhere right now — on social media, in wellness clinics, and in the claims of biohackers promising faster healing, sharper thinking, and slower aging. But how much of this is science, and how much is hype? In this episode of The Mind-Gut Conversation, Dr. Emeran Mayer draws on decades of peptide research — including his early work on gut peptides at UCLA — to explore what these molecules actually are, how they work, and why the gap between promising lab results and proven human medicine is so often overlooked. From insulin and GLP-1 to BPC-157 and beyond, Dr. Mayer examines why some peptides have transformed modern medicine after decades of rigorous research, while others promoted online today exist in a scientific gray zone — lacking human trials, standardized dosing, and long-term safety data. This episode offers a grounded, evidence-based framework for thinking critically about peptide claims, and a reminder that the most powerful tools for health may not be the most exciting ones. Topics discussed include: What peptides are and how the body already uses themWhy some peptides have transformed medicine — and how long it actually tookThe science and limitations behind popular peptides like BPC-157Why what works in animals doesn't always work in humansThe risks of unregulated peptide use and compounding pharmaciesWhere legitimate peptide research is headed This is a thoughtful, science-driven discussion for anyone navigating the growing world of peptide therapy and longevity medicine. ---------------------------------------------------------------------- Connect with Dr. Mayer: Website: https://www.emeranmayer.com Instagram: https://www.instagram.com/emeranmayer/ X (Twitter): https://www.x.com/emeranmayermd Facebook: https://www.facebook.com/EmeranMayerMD/ LinkedIn: https://www.linkedin.com/in/emeranmayer/ ---------------------------------------------------------------------- Chapters: 0:00 - Introduction 0:42 - What Are Peptides? 2:25 - How Peptides Already Transform Medicine 3:30 - The New Wave of Unproven Peptides 4:42 - Why Scientists Are Cautious 7:02 - Peptides Worth Watching 7:45 - The Bigger Pattern in Wellness Culture 8:30 - Closing Thoughts

    9 min

  5. MAR 17

    How To Actually Feed Your Gut Microbiome with Anu Simh | MGC Ep. 113

    Eating for your microbiome doesn't have to be complicated — but it does require rethinking how we approach food, carbohydrates, and flavor. In this episode of The Mind–Gut Conversation, Dr. Mayer is joined by Anu Simh, a board-certified functional health coach, microbiome educator, and author of Flourish from Within: New Gut for Lifelong Health. Anu's work bridges the gap between microbiome science and real-world application, offering a framework for eating that supports microbial diversity without rigid meal plans or overwhelming recipes. They explore why diversity matters more than any single superfood, how to distinguish beneficial complex carbohydrates from refined ones, and why traditional cuisines — like Anu's South Indian roots — have been quietly aligned with microbiome science all along. The conversation also covers the role of herbs and spices as important sources of polyphenols, how to retrain your palate to accept bitter flavors, and how to build simple, repeatable eating patterns that actually stick in people's lives. This episode offers a grounded, science-based look at what it means to feed your microbiome, and how to translate research into sustainable habits that support gut health and long-term well-being. Topics discussed include: • Why microbial diversity is more important than any single superfood • How traditional cuisines align with microbiome science • The difference between refined and complex carbohydrates • Herbs and spices as polyphenol-rich additions to everyday meals • Retraining your palate to accept bitter and diverse flavors • Building simple, repeatable eating patterns for gut health This is a practical, science-driven discussion for anyone interested in the gut microbiome, plant-forward eating, and the brain–gut connection. Chapters: 0:00 - Introduction 2:36 - Anu's Origin Story and Journey to Microbiome Science 8:46 - Has Plant-Forward Eating Reached the General Public? 25:08 - The Flourish Diet 34:54 - Herbs, Spices, and Retraining Your Plate 45:07 - Closing Remarks and Practical Recipes

    49 min

  6. MAR 5

    The Truth About Fiber And Your Gut Health with Matt Amicucci, PhD | MGC Ep. 112

    Fiber has been talked about for decades — but emerging research suggests most of us still don't understand what it actually does, how much we need, or why the modern diet has left us so dramatically short of it. In this episode of The Mind–Gut Conversation, Dr. Mayer is joined by Dr. Matt Amicucci, food scientist and co-founder of OneBio, to discuss the cutting-edge science of dietary fiber and its far-reaching role in gut health, metabolism, and disease prevention. Dr. Amicucci explains how different fiber structures interact with specific microbial communities in the gut to produce short-chain fatty acids like butyrate — and how those molecules influence everything from blood glucose regulation to GLP-1 secretion to long-term mortality risk. He also shares the story behind Glycopedia, the largest dietary fiber database ever built, and how it is being used to develop a new generation of personalized, microbiome-targeted nutrition. They also discuss why 95% of Americans fall short of even the minimum recommended fiber intake, how decades of food processing have systematically stripped fiber from the diet, and what it will take to close that gap. This is a practical, science-driven discussion for anyone interested in nutrition, the gut microbiome, and the future of food. -------------------------------------- Connect with Dr. Mayer: Website: https://www.emeranmayer.com Instagram: https://www.instagram.com/emeranmayer/ X (Twitter): https://www.twitter.com/emeranmayermd Facebook: https://www.facebook.com/EmeranMayerMD/ LinkedIn: https://www.linkedin.com/in/emeranmayer/ -------------------------------------- Chapters: 0:00 - Introduction 2:38 - Matt's Origin Story: From Chef to Food Scientist 6:43 - Why Fiber Is Having a Moment 8:58 - The Fiber Deficit Crisis 11:36 - What Decades of Low Fiber Intake Has Done to the Microbiome 13:47 - Building Glycopedia: Mapping the World's Fibers 19:33 - Why Whole Foods Alone Aren't Enough 21:42 - Not All Fiber Is Created Equal 25:47 - Introducing GoodVice 27:34 - The Health Case for 10 More Grams a Day 33:49 - Rethinking Sugar and Fiber Together 36:34 - Fiber, Butyrate, and GLP-1 38:42 - The Future of Personalized Fiber Nutrition 40:17 - What's Next for OneBio

    43 min

  7. FEB 17

    Chronic Pain, Brain Health, and the Power of Self Help with Jared Katz | MGC Ep. 111

    Chronic pain is often treated as a problem to suppress with medication or surgery, but what if it’s actually a signal from a complex system that needs to be addressed holistically? In this episode of The Mind–Gut Conversation, Dr. Mayer is joined by Jared E. Katz, author of Retrain the Brain: Self-Help for Traumatic Brain Injury and creator of the pain management app Painless. Jared’s story begins more than twenty years ago, when a traumatic brain injury left him with cognitive impairment and two rare, painful conditions: Chiari malformation and syringomyelia. Rather than accepting a life defined by pain, Jared spent years quietly experimenting with how he eats,sleeps, moves, and thinks. He developed what he calls a “brain health algorithm” — a set of daily practices spanning nutrition, cognitive activity, movement, sleep, and social engagement. The result is not just a book, but a blueprint for anyone living with chronic pain or seeking to understand whatbrain health truly looks like in practice. This episode is slightly different from our usual focus on the gut microbiome, but the principles align closely with the holistic, systems-based thinking Dr. Mayer teaches. Jared’s experience demonstrates that the brain is not a machine with one broken part — it’s a dynamic, interconnected system capable of adaptation and healing when given the right conditions. Topics discussed include: • What a “brain health lifestyle” actually involves • How anti-inflammatory nutrition and eating patterns affectpain and cognition • Why chronic pain requires addressing multiple systems, notjust one symptom • How cognitive exercises like writing can help rewire thebrain • The future of personalized pain management This is a practical, deeply human conversation for anyoneinterested in chronic pain, brain health, and the power of self-directed healing. Chapters: 0:00 - Introduction 6:04 - Jared's Story: The Injury & Living With Chronic Pain 11:30 - Nutrition, Diet & the WAH Principle 16:57 - The Painless App & the Future of Pain Management 22:30 - The Five Pillars of a Brain Health Lifestyle 27:48 - Resilience, Recovery & the Gut-Brain Connection 35:11 - Psychedelics, Neuroplasticity & Closing Thoughts

    38 min

  8. FEB 3

    How The Gut Microbiome Influences Estrogen After Menopause with David Meriwether, PhD | MGC Ep. 110

    Menopause is often described as a simple decline in estrogen production, but emerging microbiome research suggests the story is far more complex. In this episode of The Mind–Gut Conversation, Dr. Mayer is joined by Dr. David Meriwether, a scientist at UCLA’s Goodman Luskin Microbiome Center, to discuss the estrobolome — a specialized group of gut microbes that recycle and reactivate estrogen after it has been excreted by the body. They explore how gut microbes may contribute to circulating estrogen levels even after menopause, why menopausal symptoms vary so widely among women, and how changes in the microbiome may create feedback loops that influence symptom severity. The discussion also places this research in the broader context of recent findings published in Nature linking the gut microbiome to health, aging, and disease. This episode offers an in-depth, evidence-based look at a new biological framework for understanding menopause, and the potential for future non-hormonal strategies rooted in the brain–gut–microbiome system. Topics discussed include: • What the estrobolome is and why it matters • How gut microbes recycle estrogen after menopause • Why some women experience fewer menopausal symptoms than others • The interaction between the gut, hormones, and aging • Where microbiome-based therapies for menopause may be headed This is a practical, science-driven discussion for anyone interested in women’s health, menopause, and the evolving role of the gut microbiome. You can support & learn more about Dr. Meriwether's work here: https://themeriwetherlab.com/ ------------------------------- Connect with Dr. Mayer: Website: https://www.emeranmayer.com Instagram: https://www.instagram.com/emeranmayer/ X (Twitter): https://www.twitter.com/emeranmayermd Facebook: https://www.facebook.com/EmeranMayerMD/ LinkedIn: https://www.linkedin.com/in/emeranmayer/

    43 min
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4.9
out of 5
17 Ratings

About

The Mind-Gut Conversation brings in experts within various fields of health & science to have a discussion with world-renowned gastroenterologist, neuroscientist and bestselling author of The Mind Gut Connection, Emeran Mayer, MD.

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