The Gut Bacteria Secretly Controlling Your Estrogen

In this episode of Hormone Heroines, we sit down with Lisa Smith, host of the Pretty Well podcast, to unpack the deep connection between gut health and hormone balance.

Lisa breaks down gut dysbiosis using a simple "good army vs. bad army" analogy, then dives into the estrobolome — the group of gut bacteria that determine how much estrogen recirculates in the body. She explains how the enzyme beta-glucuronidase can knock already-discarded estrogen back into circulation, contributing to PMS and perimenopause symptoms.

We also explore leaky gut, how it differs from dysbiosis, and how it fuels inflammation that raises cortisol. Lisa walks through the "pregnenolone steal," how elevated cortisol can blunt hormone receptor sensitivity, and why insulin resistance may explain why some women don't feel results from bioidentical hormone replacement therapy (BHRT) despite normal lab values.

The conversation closes on a hopeful note, with Lisa sharing accessible, low-cost strategies — targeted probiotics, prebiotic foods, cleaning up inflammatory triggers, prioritizing sleep before midnight, and stress management — that can begin shifting gut health in just a few days and support hormone balance long-term.

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About the Guest:

Lisa Smith helps women restore energy, balance hormones, and slow aging through a root-cause approach to gut and hormone health. She is the host of the Pretty Well podcast, where she explores the drivers behind gut health, hormone balance, and holistic beauty, translating complex physiology into practical, everyday strategies for women navigating perimenopause and beyond.

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The Hormone Heroines

Instagram: https://www.instagram.com/hormone_heroines/

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Apple Podcast: https://podcasts.apple.com/us/podcast/hormone-heroines-podcast/id1851547060

iHeart Radio: https://iheart.com/podcast/305165609/

Shop Supplements: https://partnerships.timeline.com/BLOSSOMINGLONGEVITY

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