The Primal Podcast

Ep 132 - Dr Myhill | FASTEST Way To Repair Gut Health (Without Probiotics)

Aug 30, 2025
Dr. Sarah Myhill, a functional naturopathic doctor with over 30 years of experience, dives deep into gut health and its vital role in overall wellness. She challenges modern dietary norms, highlighting how a carnivore diet can eliminate harmful microbes. The conversation covers the significance of ketosis, the dangers of sugar addiction, and essential nutrients like vitamin C and iodine. Practical strategies for identifying food intolerances and detoxifying from heavy metals make for an enlightening discussion on restoring gut health naturally.
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INSIGHT

Human Gut Is Adapted To Fat

  • The human gut evolved to run primarily on fat and meat, not modern high-carb foods.
  • Carbohydrate-heavy modern diets overwhelm the gut and enable upper gut fermentation.
INSIGHT

Upper Vs Lower Gut Roles

  • The first ~25 feet of the gut should be near-sterile for digesting meat and fat.
  • The last ~5 feet host the microbiome that ferments fiber and programs the immune system.
INSIGHT

Upper Fermenting Gut Harms Energy

  • When microbes colonize the upper gut they cause inflammation, leaky gut, and toxic byproducts.
  • The liver must detoxify these compounds, which drains energy and causes fatigue.
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