310: Resiliency Radio with Dr. Jill: Getting to The Root Cause of IBS with Dr. Izabella Wentz

310: Resiliency Radio with Dr. Jill: Getting to The Root Cause of IBS with Dr. Izabella Wentz

From Resiliency Radio with Dr. Jill Carnahan, MD by Dr. Jill Carnahan

April 15, 2026 · 37 min · Season 7 · Episode 310

About this episode

Dr. Jill Carnahan and Dr. Izabella Wentz discuss the root causes of Irritable Bowel Syndrome and the importance of a functional medicine approach to gut health.

In this episode of Resiliency Radio with Dr. Jill, Dr. Jill Carnahan sits down with Dr. Izabella Wentz to uncover the true root causes behind Irritable Bowel Syndrome (IBS) and why it's often more than just a diagnosis. Dr. Wentz, a pharmacist turned functional medicine expert and bestselling author, shares her personal journey with Hashimoto's thyroiditis and IBS—and how it led her to explore the deeper connections between gut health, autoimmunity, infections, and environmental triggers. Together, they break down why IBS is often a symptom cluster rather than a true diagnosis, and how identifying underlying causes like SIBO, parasites, food sensitivities, mold exposure, and thyroid dysfunction can lead to real healing. This episode is essential listening for anyone struggling with digestive issues and looking for a root-cause, functional medicine approach to gut health. 🔑 5 Key Discussions ① 🧠 IBS as a Symptom, Not a Diagnosis ⇨ IBS is a cluster of symptoms—including bloating, constipation, and diarrhea—rather than a true disease. ⇨ Understanding the root cause behind symptoms is key to long-term healing. ② 🦠 Hidden Infections and Gut Imbalances ⇨ Conditions like SIBO…

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