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 headedThis 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.comInstagram: https://www.instagram.com/emeranmayer/X (Twitter): https://www.x.com/emeranmayermdFacebook: https://www.facebook.com/EmeranMayerMD/LinkedIn: https://www.linkedin.com/in/emeranmayer/----------------------------------------------------------------------Chapters:0:00 - Introduction0:42 - What Are Peptides?2:25 - How Peptides Already Transform Medicine3:30 - The New Wave of Unproven Peptides4:42 - Why Scientists Are Cautious7:02 - Peptides Worth Watching7:45 - The Bigger Pattern in Wellness Culture8:30 - Closing Thoughts