众所周知,维生素是维持人体正常代谢功能所必需的生物活性物质,虽然人体对其需求量极微,但是若长期摄入不足或由于其它原因不能满足生理需要,就会影响人体正常生理功能,甚至出现临床缺乏症状。例如:妇女口服避孕药往往会引起维生素B_6的缺乏。 维生素种类很多,其中,维生素B_6被专家们认为是 As we all know, vitamins are necessary to maintain the body’s normal metabolism of bioactive substances, although the human body to its minimal needs, but if the long-term inadequate intake or due to other reasons can not meet physiological needs, it will affect the normal physiological function of the human body, or even appear Clinical lack of symptoms. For example: Women’s oral contraceptives often cause a lack of vitamin B_6. Many kinds of vitamins, of which, vitamin B_6 is considered by experts