For quality Keepable Gains there's only one way to go - you need to stack Turkish Primo with a hot pork injection in the glutes ED.
entertaining but bullshit, gear is gear and nothing lets you keep what God didn't mean you to keep when you come off. Levrone could blow back up to a 280lb monster in a couple of months if he went back on, it's called Genetics.
tren binding so tightly to the AR will actually cause you to lose more than pretty much anything else when you come off it, thanks to the severe suppresion it can cause