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Iodine
Recommended Daily Intake
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. |
