Episode Details

Your gut is not just where food goes. It is where your immune system trains, where inflammation gets decided, and where your brain’s chemistry gets a huge vote. Coach Sam goes solo and shares the gut microbiome science that has her genuinely fired up, sparked by Cynthia Thurlow’s work on menopause and gut health.

We walk through what the microbiome actually is, why microbial diversity matters, and how the gut lining can become vulnerable to permeability (often called leaky gut). From there, we connect the dots between short-chain fatty acids like butyrate, immune regulation, and metabolic health, including insulin resistance and GLP-1 signaling. If you have ever felt stuck with fatigue, brain fog, bloating, food sensitivities, skin flare-ups, frequent infections, or weight loss resistance, this conversation will help you see the gut as a likely root cause rather than a random collection of symptoms.

Then we zoom out to the gut brain axis: serotonin production in the gut, plus how GABA and dopamine signaling relate to stress, mood, motivation, and gut motility. We also dig into circadian rhythm and the “gut clock,” because sleep disruption, irregular schedules, and late eating can push the microbiome toward dysbiosis instead of nightly repair. And for women in perimenopause, menopause, and postmenopause, we touch on estrogen metabolism in the gut and why that matters for hormone balance and longevity.

If this changes how you think about your health, share it with a friend, subscribe, and leave a review so more people can find the science and start making friends with their gut.

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