In this Q&A episode, Dr. Eric dives into the powerful connection between gut health and thyroid function. Recorded during a Substack livestream for his Healing Graves’ Naturally newsletter, he begins by explaining why the gut is such a central player in thyroid autoimmunity. With most immune system cells residing in the gut and about 20% of thyroid hormone conversion occurring in the gut microbiome, maintaining gut health is critical for those dealing with Graves’ disease, Hashimoto’s, or other thyroid conditions.

Throughout the episode, Dr. Eric answers listener questions about gut testing, including when to use comprehensive stool tests, SIBO breath tests, or organic acids testing. He also discusses leaky gut testing, parasites, H. pylori treatment options, histamine intolerance, and how gut imbalances can contribute to symptoms like bloating, gas, and constipation. He explains how diet, stress management, and proper digestive support can play a role in restoring gut balance.

Listeners will also learn about natural approaches to supporting stomach acid levels, the role of fiber in producing beneficial compounds like butyrate, and whether sweeteners like stevia or monk fruit affect the gut microbiome. If you want a clearer, more balanced understanding of the gut-thyroid connection and practical answers to common gut health questions, you’ll get a lot out of this episode.

Episode Timeline:

00:00 – Introduction to the Gut-Thyroid Q&A
 02:16 – How the Gut Influences Thyroid Health
 06:56 – Best Tests to Evaluate Gut Health
 09:28 – Testing for Leaky Gut
 11:36 – Parasites, Gas, and Bloating
 13:42 – Crohn’s Disease and Thyroid Conditions
 15:35 – Betaine HCL and Low Stomach Acid
 19:03 – Managing Histamine Intolerance
 20:32 – Should Everyone Do Parasite Cleanses?
 23:43 – Natural Solutions for Constipation
 28:05 – Monk Fruit vs. Stevia and Gut Health
 29:47 – Natural vs. Antibiotic Treatment for H. pylori
 32:41 – Can Healing the Gut Help Thyroid Eye Disease?
 33:12 – Gluten-Free Grains and Gut Healing
 35:14 – Functional Medicine vs. Gastroenterologists
 37:31 – Mold and Gut Health
 39:04 – Boosting Butyrate Production
 41:33 – Ulcerative Colitis and Zinc Deficiency
 45:04 – How to Increase Stomach Acid Naturally
 46:33 – Herbal Teas and Gut Health
 49:55 – Nuts, Seeds, and Gut-Friendly Options

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