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In this episode of Thyroid Strong, Dr. Emily Kiberd dives deep into one of the most common yet overlooked gut issues for women with Hashimoto’s—SIBO, or Small Intestinal Bacterial Overgrowth.
If you’re eating clean, tracking your macros, working out regularly, and still ending the day looking six months pregnant, this episode is for you.
Dr. Emily breaks down exactly what SIBO is, why it’s so common in women with thyroid issues, and how to properly test for all three types of gas—hydrogen, methane, and hydrogen sulfide. You’ll learn how to use the GI-MAP to spot clues, how low thyroid function and stress set the stage for SIBO, and why nervous system regulation is often the missing link for lasting gut healing.
You’ll walk away knowing how to test (not guess), treat SIBO in phases, and finally reclaim your gut health and energy.
What You’ll Learn in This Episode:✔️ What SIBO is and why it’s common in women with Hashimoto’s
✔️ How sluggish digestion, low stomach acid, and chronic stress trigger bacterial overgrowth
✔️ The 3 types of SIBO gases—and why you must test for all three
✔️ How to interpret “SIBO-suggestive” patterns in your GI-MAP results
✔️ The 3 healing phases: Kill, Repair, and Rebuild
✔️ Why regulating your nervous system is key to long-term gut healing
✔️ The biggest mistakes women make when treating SIBO
✔️ How to tell if your issue is actually SIFO (small intestinal fungal overgrowth)
Highlights:00:26 Understanding SIBO and Its Impact on Women with Hashimoto's
02:18 Symptoms and Diagnosis of SIBO
03:21 Types of SIBO Gases and Testing Methods
06:50 Treatment Phases for SIBO
08:26 Nervous System Regulation and Gut Health
10:17 Common Mistakes and Final Thoughts on SIBO
11:34 Introduction to SIFO and Upcoming Topic
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
Link between SIBO and hypothyroidism: PMID: 24944923
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