Do iodine supplements help with iodine deficiency?

In regions with low iodine intake or cases of known deficiency, iodine enrichment of foods or supplementation should be considered. To avoid iodine deficiency in the United States, table salt is enriched with iodine ("iodized" salt), and iodine is added to cattle feed and used as a dough conditioner. While iodine deficiency is not common in developed countries, it is common in other parts of the world. When considering iodine enrichment or supplementation, supervision by medical personnel or public health officials is recommended, due to the potential complications involved with iodine replacement after previous deprivation, particularly if considering supplementation in pregnant women or children.

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