In this episode of Thyroid Strong, Dr. Emily Kiberd unpacks another major gut disruptor for women with Hashimoto’s—SIFO, or Small Intestinal Fungal Overgrowth.

If you’ve treated SIBO multiple times and your bloating, fatigue, or brain fog keep returning, it may not be bacterial—it could be fungal. Dr. Emily explains what SIFO is, how it mimics SIBO, and why it often appears after bacterial overgrowth protocols.

You’ll learn how low thyroid function, low stomach acid, sluggish bile flow, stress, and antibiotic use all create the perfect environment for yeast to thrive. Dr. Emily walks through how to test, treat, and rebuild your gut to eliminate fungal overgrowth for good—without getting stuck in restrictive diets or endless antifungal cycles.

This episode gives you a complete roadmap to starve, kill, and rebuild from SIFO—while bringing your nervous system on board so your gut can truly heal.

What You’ll Learn in This Episode

✔️ What SIFO is and how it differs from SIBO

✔️ Why fungal overgrowth often develops after SIBO treatment

✔️ How low thyroid, low stomach acid, and sluggish bile flow trigger yeast overgrowth

✔️ The best functional tests for identifying SIFO (GI-MAP, OAT, and more)

✔️ The 3 healing phases: Starve, Kill, and Rebuild

✔️ How to use antifungal herbs and binders without feeling worse

✔️ Why nervous system regulation is the missing piece in gut recovery

✔️ The biggest mistakes women make when treating SIFO

Highlights:

00:31 Recap of Last Week's Episode on SIBO

01:00 Introduction to SIFO: Small Intestinal Fungal Overgrowth

01:29 Symptoms and Causes of SIFO

04:15 Testing for SIFO

05:12 Three-Phase Treatment Plan for SIFO

07:16 Nervous System Regulation and SIFO

09:17 Common Mistakes and Final Advice

10:10 Your Next Steps

Links & Resources

👉 Free Gut Masterclass: Learn how six of Dr. Emily’s clients healed their gut, lowered antibodies, and lost up to 40 pounds — Check the masterclass

 Apply for 1:1 Root Cause Functional Medicine Coaching

👉 1:1 Functional Health Coaching – Dr. Emily Kiberd

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