维生素与激素是两种概念。所谓维生素是指在体内不能合成,必须由食物供给;不是构成机体的主要(指量而言)原料,也不是供给能量的,但能起调节及管制代谢作用的物质,一般是酶的辅酶(或辅基)的组成部分。而激素是体内某些特定的组织或器官所制造,不经导管而直接 Vitamins and hormones are two concepts. The so-called vitamins can not be synthesized in the body, must be supplied by food; not constitute the body’s main (in terms of) raw materials, nor is the supply of energy, but can regulate and control the metabolism of substances, generally enzyme coenzyme Or prosthetic group). The hormone is the body of some specific tissues or organs made, without the catheter directly