Iodine
Iodine is an essential trace element required for thyroid hormone (T3 & T4) synthesis; severe deficiency causes cretinism & goiter, & adequate intake during pregnancy & early childhood is critical for normal neurodevelopment.
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Systematic review of 8 RCTs found that in areas of severe iodine deficiency, supplementation reduced cretinism risk & showed some motor development benefits; in mild-to-moderate deficiency areas, no RCTs provided data on childhood cognitive or developmental outcomes; effects on maternal thyroid function were inconsistent.
A systematic review of 10 RCTs & 23 observational studies found inconsistent effects of iodine supplementation on maternal or infant TSH & no significant improvement in childhood cognitive, language, or motor scores; authors concluded evidence is insufficient to support universal supplementation in mild-to-moderate deficiency regions but supplementation remains important in severe deficiency.
Stacks containing Iodine
Public community stacks that include this ingredient.
Thyroid & Hormonal Support
Iodine & selenium are combined to support thyroid function & hormonal balance. Iodine is essential for thyroid hormone production, while selenium supports thyroid health & antioxidant defense.