if it is legit the manufacturer should make no difference. i have used ICN Galenika, Schering Testoviron, Norma Enanthate, Testex Elmu (Cypionate), CID Primoteston/Cidoteston, ... test is test, if you are always on like me you will not even notice a difference between single esters like enanthate or cyp and multi-esters like omnadren or sustanon.