The illicit anabolic steroid market includes steroids that are not commercially available in the . as well as those which are available. Steroids that are commercially available in the . include fluxoymesterone (Halotestin® ), methyltestosterone, nandrolone (Deca-Durabolin® , Durabolin ® ), oxandrolone (Oxandrin® ), oxymetholone (Anadrol® ), testosterone, and stanozolol (Winstrol® ). Veterinary steroids that are commercially available in the . include boldenone (Equipoise® ), mibolerone, and trenbolone (Revalor® ). Other steroids found on the illicit market that are not approved for use in the . include ethylestrenol, methandriol, methenolone, and methandrostenolone.
Athletic drug testing is done to detect banned substances or performance enhancing agents in competitive-level athletes. In the , drug testing may occur in Olympic-level sports, National Collegiate Athletic Association sports (NCAA), and professional sports. The . Anti-Doping Agency (USADA) is the national anti-doping organization for the Olympic movement in the United States. With the USADA, as noted in the WADA code, testing may occur in competition or out of competition and can occur at any time and at any location. Testing can result in disqualifications, sanctions, and stripping of medals and world titles, as seen with professional cyclist Lance Armstrong.
One last point: Because steroids have all these side effects, a lot of abusers will then take other drugs to offset the effect—steroid abuse causes you to grow man-boobs, so people take another drug to mitigate those side effects. Guys who take steroids often also take augmenting drugs to decrease estrogen production or to improve athletic performance even further, like human growth hormone, insulin-like growth factor 1, insulin, erythropoietin, stimulants, diuretics, levothyroxine, and/or gamma-hydroxybutyrate, according to the study in FP Essentials . That means on top of all these side effects of steroids, most abusers are also looking at a whole separate list of effects from their peripheral drug habits.