for me it all depends on the brand of gear if i have pain issues.chase it with a protein shake that should taste nice if you have to drink it.drinking winny won"t change how long it"s in your system. could be winny doesn't like your delts. I can"t inject test in my delts cause they hurt like hell,but anything else in my delts is fine no pain. test any where else is fine no pain. sounds crazy but that"s the way it is for me