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Levothyroxine (T4) is a synthetic levorotatory isomer of thyroxine (thyroid hormone). In small doses, it has an anabolic effect (enhancing protein synthesis). In large doses, Levothyroxine(T4) reduces the production of thyroid-stimulating hormone by the pituitary glands. The drug increases the need of tissues for oxygen, stimulates oxidative reactions, accelerates the breakdown and metabolism of proteins, fats and carbohydrates, activates the functions of the cardiovascular system, has a stimulating effect on the central nervous system. The levothyroxine therapy decreases diffuse goiter or it disappears completely. The product is used as a therapy for hypothyroidism of various etiologies, including primary and secondary hypothyroidism after surgery on the thyroid gland and after a course of therapy with radioactive iodine. Levothyroxine is also used to treat people with congenital and acquired hypothyroidism, with myxedema, cretinism, obesity with symptoms of hypothyroidism and with cerebral-pituitary diseases. It is used to treat Graves' disease and Hashimoto autoimmune thyroiditis, hormone-dependent highly differentiated thyroid cancer. You can buy Levothyroxine(T4) online on our website anytime at affordable prices and we guarantee fast shipping to USA, UK, Australia.