Iodine

A trace mineral and an essential component of the thyroid hormones, triiodothyronine (T3) and thyroxine (T4). These hormones regulate the metabolic activities of most cells and play a vital role in the process of early growth and development of most organs, especially the brain. Inadequate intake of iodine-rich foods leads to insufficient production of these hormones, which adversely affect the muscle, heart, liver, kidney and the developing brain.(1) Nationwide insufficient iodine was once considered such a serious problem that the mineral was added to table salt, and iodine deficiency remains the leading cause of preventable mental retardation in the world today, even in developed nations. Unfortunately, most table salt is not a healthy naturally occurring rock, crystal or sea salt and should never be considered as a source of healthy iodine.

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