Back to Nutrition with Judy | Carnivore Diet

Podcast Episode

402. The Real Reason We Fear Supplemental Iodine for Thyroid Health

Nutrition with Judy | Carnivore Diet·Judy Cho·13 September 2026·18 min

About this episode

Get personalized root-cause care with Empower Functional Health. Learn more at empowerfunctionalhealth.com _____Iodine supplementation remains one of the most debated topics in thyroid health. Some practitioners warn that iodine, especially higher-dose forms such as Lugol’s iodine, may trigger thyroid dysfunction, Hashimoto’s, or hyperthyroidism, while others argue that iodine deficiency is widespread and often overlooked. In this episode, Judy Cho examines the Wolff–Chaikoff effect, iodine’s role beyond the thyroid, and why iodized salt may not provide enough iodine for optimal health. The deeper history raises an even more important question: are we blaming supplemental iodine while ignoring other exposures that may have affected thyroid health for generations? Judy explores radioactive iodine, nuclear fallout, contaminated food supplies, and the historical events that may have shaped today’s fear around iodine. She also explains why the distinction between nutritional iodine and radioactive iodine matters before deciding whether iodine is helpful or harmful.Is iodine dangerous for your thyroid?The Wolff–Chaikoff effect explainedIodine deficiency, bromide, fluoride, and chlorideThe forgotten history of radioactive iodine exposureWhat government research found about thyroid riskRadioactive iodine exposureUnderstanding the difference between supplemental iodine vs. radioactive iodine_____ EPISODE REFERENCESThyroid Dose and Risk Calculator for Nuclear Weapons Fallout for the US PopulationExposure of the American People to Iodine-131 from Nevada Nuclear-Bomb TestsCDC Fallout Study Table of ContentsChapter 8 of CDC Results US Before and After exposureHow to Take Iodine Episodes Lynne Farrow InterviewIodine EpisodesFree Iodine Guide  _____ WEEKLY NEWSLETTER 📫 Tips and Weekly Updates JUDY CHO RESOURCES ⛑️Work with Us 🎙️ Podcast 📕 Inflammation Fix Book 📘 Carnivore Cure Book & Elimination Diet 📚 Articles 🎁 Free Resources  _____ *DISCLAIMER: This content is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. It should not replace professional medical advice.