Iodine (I-)

ExRx.net > Nutrition > Micronutrients > Mineral

Functions

  • thyroid hormone formation
  • regulates oxidation in cells

Deficiency

  • hypothyroidism
    • disturbance in thyroid function
  • goiter
    • enlargement of thyroid gland
  • cretinism
    • stunting and mental retardation
    • in infants / newborn

Good Sources

Natural

  • seafood
    • salt-water fish
    • seaweed
  • dairy
    • milk
    • cheese
    • butter
  • whole-grain cereal

Food Quantity mcg
Cheese, chedder 1 oz 12
Salt, iodized 1 tsp 400

Artificial

  • iodized salt

Recommended Daily Allowances (RDA)

  • Males and Females (11 yrs. and older)
    • 150 mcg
  • Pregnant females
    • 175 mcg
  • Lactating females
    • 200 mcg
  • Children
    • 7-10 yrs.
      • 120 mcg
    • 4-6 yrs.
      • 90 mcg
    • 1-3 yrs.
      • 70 mcg
  • Infants
    • 7 mths - 1 yrs.
      • 50 mcg
    • birth - 6 mths
      • 40 mcg

Tolerable Upper Intake Levels (UL)

  • Adults (19 to 50 yrs)
    • 1,100 mcg

Intakes above UL may lead to negative health consequences.

Supplementation

  • Not recommended
  • Widely found in food
    • even if little iodized salt is used, probably enough iodine will be consumed.


Main Menu | Micro-Nutrients Menu | Nutrition Titles