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The Human Upgrade · September 8, 2026 · 01:09:00

Everything You Need To Know About Your Poop | Gut Surgeon Explains : 1533

Dr. Karan Rajan, a gut surgeon and Chief Science Officer at Throne, breaks down why fibermaxxing can backfire without the right mix of fermentable fibers, how protein absorption limits work, and why the sodium-to-potassium ratio matters more than sodium alone. He explains the migrating motor complex, what your poop reveals about liver and metabolic health, and the role of the estrobolome and testobolome in hormone balance. The conversation also touches on fasting, saturated fat, and how AI is starting to personalize gut health tracking.

This summary was generated from show notes and public descriptions, not from a full transcript review. Details may contain inaccuracies.

Preview

Fibermaxxing and the Wrong Fiber Mix Can Cause Bloating36:26
Eating more fiber without considering the mix of fast, medium, and slow fermenting fibers can lead to bloating rather than better gut health.
Protein Absorption Has a Per-Meal Limit
The gut can only absorb and digest a certain amount of protein at one time.

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