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Vitamins
Minerals
Other Nutrients
Glossary
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        Minerals
Iodine

Recommended Daily Intake
150 mcg

Food Sources

  • Iodized table salt
  • Fish and shellfish
  • Dairy Products

    Problems Associated with Deficiencies

  • Enlarged thyroid gland resulting in a goiter
  • Insufficient production of thyroid hormones
  • Fatigue
  • Skin changes
  • Increase in blood fats
  • Delayed reflex reactions
  • Reduced mental functioning
  • Severe mental retardation of fetus

    Functions/Potential Benefits at Recommended Levels

  • Essential for formation of thyroid hormone thyroxin which governs metabolism and growth
  • Essential for reproduction
  • Involved in conversion of beta carotene to Vitamin A
  • Involved in synthesis of protein and cholesterol and in the absorption of carbohydrates

    Potential Benefits Under Investigation

  • None reported at this time

    Special Considerations/Possible Adverse Effects with Excess Intake

  • Tolerable Upper Intake Level (UL) is set at 1,100 mcg/day

    * Information in this chart is not intended to provide a complete review on any topic.
    ** The information in this chart is in reference to healthy adults only, not to children or pregnant and lactating women.

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    Calcium
    Chromium
    Copper
    Iodine
    Iron
    Magnesium
    Manganese
    Molybdenum
    Nickel
    Phosphorus
    Potassium
    Selenium
    Silicon
    Tin
    Vanadium
    Zinc