What are Prohormones and Designer Steroids?
The number of available prescription anabolic steroids has not changed since the late 1960’s. However, since 1997 many new AAS have been released into circulation as nutritional supplements. They are commonly known as prohormones and designer steroids. The term Prohormone has been used during the last decade to designate a substance (dietary supplement), which readily converts in the body into an illegal anabolic steroid. The most common prohormones are precursors of such anabolic steroids as testosterone, nandrolone (19-nortestosterone) and boldenone (1-dehydrotestosterone). These prohormones are now specifically banned and are included as an amendment to the Controlled Substances Act of January 2005. More recent generations of anabolic dietary supplements feature synthetic designer anabolic steroids. Most of them were developed and studied more than 40 years ago, but have never been approved or marketed as legitimate drugs. As such, they have not been specifically listed as Controlle
