Thyroid Support Plus provides all the vitamins, minerals and amino acids required to support the thyroid gland and thyroid hormones production. Thyroid hormones are necessary for healthy metabolism, normal weight and energy. Thyroid Support Plus contains iodine and selenium, both essential for thyroid hormone production. Deficiencies of these minerals are associated with low thyroid hormone production and low thyroid function. It also contains Withania for supporting the adrenals glands which are heavily involved in thyroid health.