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Beyond the Thyroid – Episode 47: The Ferritin Problem in Thyroid Disease

In this episode of Beyond the Thyroid, Dr. Dana Gibbs explores one of the most overlooked drivers of persistent symptoms in thyroid disease: low ferritin and iron metabolism problems.

Many patients with Hashimoto’s or hypothyroidism continue to experience fatigue, brain fog, dizziness, hair loss, and air hunger—even when their thyroid labs appear “normal.” Dr. Gibbs explains why these symptoms may actually be driven by iron depletion long before anemia appears, and why ferritin levels can quietly sabotage thyroid hormone function.

Through a compelling patient story, Dr. Gibbs walks listeners through the clues that led to the discovery of ferritin levels of 12—and how correcting iron deficiency dramatically improved symptoms.

In this episode, you’ll learn about the bidirectional relationship between iron and thyroid physiology, including how iron affects thyroid peroxidase, T4-to-T3 conversion, and receptor activity.

Dr. Gibbs also discusses common causes of iron deficiency in thyroid patients, including malabsorption, autoimmune gastritis, and celiac disease, and explains how to properly test, treat, and monitor iron safely.

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Episode Highlights

00:00 Episode Introduction
 01:48 Patient Story: The Ferritin Clue
 05:09 Malabsorption and Thyroid Disease
 07:20 The Iron–Thyroid Feedback Loop
 11:57 Ferritin Testing Basics
 15:02 Who Should Be Screened
 16:15 Ferritin Targets and Safety
 18:07 Smarter Iron Supplementation
 21:32 When to Consider Iron Infusion
 22:56 Autoimmune Gastritis Explained
 25:32 Celiac Disease as a Hidden Cause
 29:16 Celiac Testing and Treatment
 32:58 Wrap-Up and Next Steps
 34:12 Outro and Disclaimer

This episode is essential for anyone with thyroid disease who still struggles with fatigue despite treatment.

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✉️ Email Dr. Gibbs at [email protected] or visit https://www.danagibbsmd.com/ for more information.


Thank you so much for listening! Tune in on the next episode.


The medical information provided in this episode is intended for informational purposes only and should not be construed as medical advice. Always consult a qualified healthcare provider regarding any medical questions or concerns.