Vinathyrox medicine 100mcg is a product of Ba Dinh Biopharmaceutical Joint Stock Company with the main ingredient being Levothyroxine, an isomer of thyroid hormone. The drug is prepared in the form of tablets, box of 2 blisters x 14 tablets. Levothyroxine is indicated for the replacement or adjunctive treatment of hypothyroidism syndrome or other conditions of the thyroid gland.