Smart move like Haz said research is key.There is a price to pay for everything we do.NOTHING is FREE and at your age the risks are higher.Quit trying to take shortcuts.Pay your dues! Build that foundation for that new muscle.Beacuse if you use before you have a good foundation.Your muscles will get bigger and stronger.But your tendons wont keep up.Then you will have all kinds of problems.And I didnt even touch on the problems you may have sexually.