{"podcast":{"title":"LONGEVITY with Nathalie Niddam","slug":"longevity-with-nathalie-niddam-1367436","podcast_index_feed_id":1367436,"rss_url":"https://rss2.flightcast.com/zuvawsnkkxtbynwgy0632z94.xml","website_url":"https://www.nathalieniddam.com/","image_url":"https://assets.flightcast.com/workspaces/fo0ip1v9e014oduot5kqgdle/podcasts/zuvawsnkkxtbynwgy0632z94/ambje8j39z9hs4bf0r3u5udm.png","author":"Nathalie Niddam","episode_count":446,"summary":"LONGEVITY with Nathalie Niddam is your go-to podcast for diving deep into the science and practices for increasing your longevity and healthspan. This podcast covers topics from nutrition, biohacking, longevity, peptides, bioregulators, cutting edge research, health technology and more! Nathalie Niddam is a certified nutritionist, as well as a epigenetics and human potential coach.","last_synced_at":"2026-06-26T18:17:14.148729+00:00","page_url":"https://stenobird.com/podcast/longevity-with-nathalie-niddam-1367436"},"episode":{"title":"#428: Poop, Peptides & The Power of Microbiome | The Secret Longevity Organ With Dr. Grace Liu","slug":"428-poop-peptides-the-power-of-microbiome-the-secret-longevity-organ-with-dr-grace-liu","published_at":"2026-04-10T09:00:00+00:00","page_url":"https://stenobird.com/podcast/longevity-with-nathalie-niddam-1367436/428-poop-peptides-the-power-of-microbiome-the-secret-longevity-organ-with-dr-grace-liu","show_page_url":"https://stenobird.com/podcast/longevity-with-nathalie-niddam-1367436","url":"https://episode.flightcast.com/01KNNK15SW5J8127BVG2SSH55H.mp3","audio_url":"https://episode.flightcast.com/01KNNK15SW5J8127BVG2SSH55H.mp3","summary":"Today, I'm joined by Dr. Grace Liu, often known as the “Gut Goddess,” a trailblazer in the world of microbiome science and founder of The Gut Institute. In this conversation, we take a bold dive into an often-overlooked pillar of longevity: your poop. That's right—Dr. Liu unpacks the fascinating and sometimes surprising science showing how gut health shapes everything from your immune system and brain to your lifespan itself. Episode Timestamps: Introduction to host ... 00:00:00 Dr. Grace Liu on the gut as a hallmark of aging ... 00:04:06 Peptides, FMT, and evidence for gut-driven regeneration ... 00:05:04 FMT safety, immune education, and the environmental “microdosing” effect ... 00:07:07 Links between gut aging, the immune system, and mental health ... 00:08:13 Diet, ancestry, and resistant starch for butyrate production ... 00:15:01 Ancestral diet, microbiome differences, and pitfalls of shortcuts ... 00:18:53 Fiber, polyphenols, and the key longevity bacteria ... 00:24:09 Gut markers, loss of diversity, and ABC species signature ... 00:25:15 Risks of overhyped probiotics, strep, and broad interventions ... 00:36:29 Peptides, bioregulators, and repairing the gut ... 01:12:01 Practical longevity: movement, daily habits & where to learn more ... 01:22:46 Our Amazing Sponsors: Tro Zzz by Troscriptions – A fast-acting sleep troche that dissolves in your cheek and combines melatonin with compounds like honokiol, adenosine, cordycepin, CBD, CBN, and 5-HTP to support deep, restorative sleep when travel, stress, or late workouts throw things off. Head to troscriptions.com and use code NAT10 for 10% off your first order. O₃RACLE by Wizard Sciences — A daily ozonated oil capsule designed to support immune balance, cellular communication, and antioxidant production without cl…","meta_description":"Today, I'm joined by Dr. Grace Liu, often known as the “Gut Goddess,” a trailblazer in the world of microbiome science and founder of The Gut Institute. I…","key_points":[],"chapters":[],"topics":[],"duration_seconds":5097,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/longevity-with-nathalie-niddam-1367436/episodes/428-poop-peptides-the-power-of-microbiome-the-secret-longevity-organ-with-dr-grace-liu/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/longevity-with-nathalie-niddam-1367436/428-poop-peptides-the-power-of-microbiome-the-secret-longevity-organ-with-dr-grace-liu.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}