I take Selenium for hypothyroid
I have hypothyroid and my thyroids are not converting the T4 into T3. After iodine, selenium is probably the next most important mineral affecting thyroid function. The thyroid contains more selenium by weight than any other organ. Selenium is a necessary component of the enzymes that remove iodine molecules from T4 converting it into T3; without selenium there would be no activation of thyroid hormone. When patients suffering from various forms of thyroid disease were tested for selenium levels, all were found to be lower than normal healthy people. Some researchers suggest that selenium supplementation will improve conversion of T4 to T3. Selenium also plays a role in protecting the thyroid gland itself. The cells of the thyroid generate hydrogen peroxide and use it to make thyroid hormone. Selenium protects the thyroid gland from the oxidative damage caused by these reactions. Without adequate selenium, high iodine levels lead to destruction of the thyroid gland cells
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