forget steroids and supplements and get off your lazy ass and get to the gym and learn how to properly eat..its obvious you do NOT know how to train or eat properly...learn how to do that and you'll be amazed at the results you can get at your age..read this..it will tell you how you have to eat to cut fat..
http://forums.steroid.com/showthread.php?t=75729
This is how you have to eat if you want to build muscle
http://forums.steroid.com/showthread.php?t=113010
I guarantee youre not eating like this..