이 에피소드에 관해
Most hormone protocols fail because they start in the wrong place.
Practitioners spend years chasing estrogen dominance, sluggish thyroid, and cortisol dysregulation without ever looking at what's driving those patterns. Tracy Harrison makes the case in this episode that the hormone imbalance root causes you're missing are often sitting upstream in the digestive tract. Gut health and hormone imbalance are far more connected than most clinical training suggests.
Hormone synthesis, conversion, metabolism, and clearance all depend on a functioning digestive system. When that system breaks down, hormones follow.
Tracy walks through five key insights every functional medicine practitioner needs to know. She explains how maldigestion, nutrient absorption, and hormone synthesis are all tied together, and how patients on acid-suppressing medications, those with type 2 diabetes, and anyone with fatty liver disease are quietly losing the raw materials hormone synthesis depends on. She also covers how gut hormones like GLP-1 and GIP directly regulate insulin in ways that go far beyond standard assessment. How T4-to-T3 conversion and gut dysfunction silently undermine thyroid function even when the thyroid gland itself looks fine.
The episode also looks at how gut microbiome estrogen metabolism gets disrupted when bacterial overgrowths like commensal E. coli and SIBO-associated bacteria produce beta-glucuronidase, an enzyme that pushes estrogen metabolites back into circulation instead of out of the body. And how cortisol and gut dysfunction drive each other, with dysbiosis and intestinal permeability actively generating HPA axis activation, not just responding to it.
If you have patients who are doing everything right and still not getting better, this episode gives you a new place to look.
Episode Breakdown:
00:00 Gut Health and Hormone Imbalance: Why the Gut Is Where It Often Starts
02:24 Maldigestion, Malabsorption, and the Nutrients Hormones Depend On
04:51 Acid-Suppressing Medications and Their Hidden Impact on Digestion
07:16 Type 2 Diabetes, Exocrine Pancreatic Insufficiency, and Digestive Enzyme Deficiency
11:57 How Gut Dysmotility and the Microbiome Affect Insulin and GLP-1 Function
16:35 Short-Chain Fatty Acids, Fiber, and Metabolic Hormone Regulation
19:02 T4 to T3 Thyroid Hormone Conversion in the Gut
23:45 Estrogen Metabolism, Methylation, and the Role of Gut Microbiome
28:18 Beta-Glucuronidase, Dysbiosis, and Estrogen Dominance
30:30 Cortisol, Gut Dysfunction, and the Stress Hormone Feedback Loop
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