any substance involved in metabolism (either as a product of metabolism or as necessary for metabolism)
metabolite详细解释
me.tab.o.lite n.（名词）A substance produced by metabolism.代谢废物：新陈代谢所产生的废物A substance necessary for or taking part in a particular metabolic process.代谢物：在某种特定的代谢过程中所必需的物质 来源：metabol(ism)metabol(ism)-ite-ite
