Herbs of Gold Thyroid Support is a unique blend providing tyrosine, iodine, and other nutrients needed for the synthesis of thyroid hormones. Withania, traditionally used in Ayurvedic medicine to support the adrenal glands and assist the body to adapt to physical and mental stress. Iodine and tyrosine are required for the synthesis of the thyroid hormone and helps maintain a healthy thyroid function. Iodine and Tyrosine help maintain the metabolic rate within the body through the production of the thyroid hormone. Selenium is required for the synthesis of thyroid hormones and helps maintain a healthy thyroid function. Zinc and Vitamin C are powerful antioxidants. Zinc is vital for healthy thyroid function and Vitamin C supports healthy adrenal function.