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thyroid hormone

Why do you need selenium?

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Most people probably don’t think much about their trace mineral status. We only need tiny amounts of these micronutrients, so aren’t we getting enough from our diet? Maybe not. There is one trace mineral you should be paying attention to if you have thyroid problems, especially autoimmune thyroiditis, such as Hashimoto’s. It’s selenium.

Selenium concentration is higher in the thyroid gland than in any other organ in the body, and, like iodine, selenium has super-important functions in thyroid hormone production and balance throughout the body. Selenium-dependent enzymes are needed to convert T4, the inactive form of thyroid hormone, to

Myth: T4 is the most important thyroid hormone

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Thyroxine or T4 is the most important thyroid hormone, and everything depends on its blood test levels being within a certain range.

FALSE. Actually, there was once a boy who was born without any thyroid function, and he was started on T3 instead of T4. He grew and developed normally and passed easily into adulthood without ever having a molecule of T4 in his body.