Supports Healthy Thyroid Function* Supports Healthy Metabolism* NOW? Thyroid Energy is a complete nutritional supplement for the support of a healthy thyroid gland.* NOW has combined iodine and tyrosine the two constituents necessary for the synthesis of thyroid secretions.* The minerals selenium zinc and copper have been added as cofactors needed for normal thyroid function.* In addition NOW? Thyroid Energy has the ayurvedic herbal extract ashwagandha to complement its nutritional support components.* Natural color variation may occur in this product. Take 2 capsules daily preferably in divided doses with food.