Dude thats INSANE.. You're 22 5'7 and 155lb at 17%bf and want to take steroid? REALLY??? Im 22 y/o myself and im 5'8 an inch taller and weigh 224lb at 18%bf, 70lb heavier than you, and im still natural, never done cycle and your already looking for a shortcut?? wow..,, Stop being lazy and hit the gym hard and get your diet right, i cant believe the amount of lazy people on this forum.. Start putting some damn work in, get up to 200 natural then try some juice i think thats still small but acceptable..
This is not a flame just trying to help you out..