im gonna be doing my first test prop cycle soon ive ran test cyp and mastabol in the past i am 22 yrs old 175lbs and 10% bf, and i wanna know how long most of you guys run a cycle of test prop for. mainly bc i wanna know how many bottles to get i was thinking of gettin 4 10ml vials and would last round 8 weeks but wanna see what you guys do?