Alfa-tocopherol sịntetik (Tocopherol, Alpha-tocopherol sịntetik, vitamin E, E307) bụ antioxidant nke na-echebe mkpụrụ ndụ site na mmebi site n'ibelata oxidation nke lipids (abụba) na nhazi nke free radicals.
A na-amata Alfa-tocopherol dị ka ihe antioxidant kachasị dị ndụ na ahụ mmadụ. Ntụle ọrụ vitamin E na nkeji mba ụwa (IU) dabere na mmụba nke ọmụmụ n'ihi mgbochi nke ime ọpụpụ na-enweghị isi na oke dị ime mgbe ị na-ewere alfa-tocopherol. Ọ na-abawanye site na ndammana ihe dịka 150% nke ụkpụrụ na ahụ nne n'oge ime n'ime ụmụ nwanyị.
A na-akọwa 1 IU nke vitamin E dị ka ihe dị ndụ kwekọrọ na 0.667 milligrams nke RRR-alpha-tocopherol (nke a na-akpọ d-alpha-tocopherol ma ọ bụ 1 milligram nke all-rac-alpha-tocopheryl acetate (nke a na-akpọ dl-alpha-tocopheryl acetate). mbụ d, l-synthetic molecular compound, nke a na-akpọ 2-ambo-alpha-tocopherol nke ọma, adịghịzi arụpụta).