The vast majority of AASs are coming in from out-side the United States, by mail through illegal Internet sites. Prosecution in the United States is hampered since these sites are located in foreign countries. Smuggling of anabolic steroids across borders is a second source, with the Mexican border the site of many seizures. Steps being taken to curb these illegal entries include a ban on AASs in any amounts that cross the border. To combat the illegal shipment of AASs, Customs in 2000 reportedly confiscated approximately 10,000 packages, a rate similar to 1999.

Another issue is the dietary supplements commonly referred to as prohormones, which are touted as muscle builders and available legally at health food stores. In 1998 during the homerun race between baseball stars Mark McGuire and Sammy Sosa these supplements were propelled into the media spotlight. Mark McGuire announced he was quitting his use of...