Studies

CellWell record HH-131106

Iodine and Its Impact on the Immune System of Humans and Domesticated Mammals: A Narrative Review

Rachael A Simpson; Umesh K Shandilya; Lauri C Wagter-Lesperance; Byram W Bridle; Bonnie A Mallard; Niel A Karrow

2026

In plain language

This narrative review describes a U-shaped dose-response for iodine and immune function, where both deficiency and excess intake impair immune homeostasis and raise susceptibility to autoimmune thyroid disease.

Evidence
Emerging
Design
Expert review

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