More Steroid Testing Sites

United States Anti-Doping Agency  is an independent agency for Pan American, Olympic and Paralympic athletes.

World Anti-Doping Agency (WADA) promotes and coordinates the fight against performance enhancing drugs in all international sports.

The National Institute of Drug Abuse (NIDA) website has information about what anabolic steroids do and the consequences to health associated with them.

Anabolic Steroid – Wikipedia has lots of information about anabolic steroids, which are related to the male hormone testosterone, and information about sports restrictions etc.

iSteroids.com has lots more information and resources about steroids and their uses.

Doping and Sports is a collective assessment of the subject from the CNRS