The main source of iodine in the United States is
a. seafood.
b. dairy products.
c. fortified table salt.
d. residues of cleaning products.
C
The main source of iodine in the United States is fortified table salt. Seafood is a good source but most Americans do not eat it often enough for it to be their main source of iodine. Dairy products may contain some iodine, depending on the animal food, but this is not a reliable source. Residues of cleaning products may provide some dietary iodine, but this is not usually enough to be significant.
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