ahh man , whole different ball game at your age , your body and its systems still havent finished developing , u dont need steroids right now , they will mess up your body , forget the idea , learn to train and eat naturaly , im not gona sit here and tell u all the sides of why its not a good idea at your age , im sorry , learn to train without steroids, u gain gainalot more muscle naturaly before u consider aas , do a quick few searches yourself and see why its no good to do steroids at your age , bad idea man , it stunts your growth when u are not fully developed yet , u can have problems ever getting back to normal test levels , u can mess up your endocrine system , just leave it at that and except the advice