Dietary Reference Intakes: Iodine

Special Note

[recommendations reflect elemental iodine intake from all sources]

General Information

[primary functions]

constituent of thyroid hormones

[selected sources]

iodized salt, seaweed, seafood, dairy products, eggs

Dietary Reference Intake

[0-6 mo]

110 mcg/day; Info: upper limit not established, potential for adverse effects with high intake; only sources of intake should be breastmilk, formula, and food

[7-11 mo]

130 mcg/day; Info: upper limit not established, potential for adverse effects with high intake; only sources of intake should be breastmilk, formula, and food

[1-3 yo]

90 mcg/day; Info: total intake >200 mcg/day associated with incr. adverse effects

[4-8 yo]

90 mcg/day; Info: total intake >300 mcg/day associated with incr. adverse effects

[9-13 yo]

120 mcg/day; Info: total intake >600 mcg/day associated with incr. adverse effects

[14-18 yo]

150 mcg/day; Info: incr. to 220 mcg/day if pregnant, 290 mcg/day if breastfeeding; total intake >900 mcg/day associated with incr. adverse effects

[19 yo and older]

150 mcg/day; Info: incr. to 220 mcg/day if pregnant, 290 mcg/day if breastfeeding; total intake >1100 mcg/day associated with incr. adverse effects