If you want to start body building professionally you will probably want to start looking at supplements that you can take to speed up the process. A quick Google search will return hundreds of different products that you can try, even asking someone at the gym will give you some options to consider.

Steroids have been used for years for medical treatment. They were developed in the 1930's to prevent the atrophy or break down, of muscle, in patients with debilitating illnesses.

The definition of steroids is, "man-made derivatives of testosterone, the male hormone. They synthesize protein and help promote muscle growth". Types of steroids include anabolic and growth hormones.