A food supplement is a complex multicomponent system.Previous researches of food supplements mainly focused on roles and actions of choline,taurine,carnitine,inositol,omega-3 polyunsaturated fatty acids(PUFAs,e.g.ALA,EPA,DPA,DHA),omega-6 PUFAs(e.g.ARA)and long-chain saturated fatty acids(SFAs).However,short-and medium-chain SFAs,sphingolipids,and the who...