Essential for thyroid hormone (T3/T4) synthesis. 150μg/day RDA. 1 billion people worldwide are iodine-deficient. Sea vegetables, iodized salt, and dairy are primary sources. Excessive iodine (>1,100μg/day) paradoxically SUPPRESSES thyroid (Wolff-Chaikoff effect). --- *Reviewed by the Dose AI Research Team and Clinical Advisory Board* *Last updated: 2026-04-06*
Reviewed by the Scan Dose Research Team and Clinical Advisory Board | Last updated:
Not medical advice. Based on published clinical research and systematic reviews.