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Fit Father Project Podcast

Fit Father Project Podcast

Gut Health & The Microbiome: Why Your Digestive System Controls Everything with Kiran Krishnan (Ep. 298)

Aug 29, 2026 · 1h 7m

Coming soon to iPhone. Already have it? “Listen in Starcast” takes you straight there.

About this episode

In this episode of the Fit Father Project Podcast, Dr. Anthony sits down with Kiran Krishnan, microbiologist and Chief Product Formulator at Just Thrive, for one of the most eye-opening conversations on gut health we've ever recorded. Kiran breaks down why chronic issues — anxiety, weight gain, brain fog, low energy — are often ecological problems in your gut, not genetic ones. You have 22,000 genes, but you're carrying around 2.5 million microbial genes on top of that. As Kiran puts it, "you're not really an organism at all — you're a walking, talking rainforest." Dr. Anthony and Kiran dig into why the modern gut is in such rough shape (hint: it's not just food), why the word "probiotic"…