Iodine is an essential constituent of the thyroid hormones that regulate our metabolism.
An adequate intake of iodine prevents goiter, which is an enlargement of the thyroid gland.
Good sources of iodine include seafood, saltwater fish, kelp, dairy products, molasses and bread. The amount of iodine found in fruits and vegetables depends on whether or not they were grown in iodine-rich soil.
To make sure that the general population consumes enough iodine to prevent goiter, table salt is now fortified with iodine.
Recommended Daily Allowance (RDA)
Recommended average daily nutrient intake that is sufficient to meet the nutrient requirements of nearly all (97 to 98%) healthy individuals in each age and gender group. The RDA should only be used as a guide for daily individual intake.
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