Gaia Herbs System Support Thyroid Support supports healthy thyroid functions. The health of the thyroid gland impacts how you feel on a daily basis. Because Thyroid Support helps regulate metabolism, every major system in the body is affected by altered levels of thyroid hormones. Gaia Herbs' unique formula supports normal thyroid hormone production - helping you maintain optimal weight, neuromuscular tone, and cardiovascular health. The thyroid gland is one of the most important regulators ofmetabolism, its effect reaching throughout the body. It is inturn regulated by the two master glands of the endocrinesystem, the pituitary and the hypothalamus. The thyroid glandproduces hormones (known as thyroid hormones) from theamino acid tyrosine and from iodine. Since the thyroid canaffect practically every cell in the body in a wide variety of ways, normal thyroid function is essential to health.