Junior welterweight Lamont Peterson has reportedly tested positive for synthetic testosterone, according to Steve Carp of the Las Vegas Review-Journal. Peterson's upcoming HBO televised defense of his ...

Another sample given, another failed drug test for Sergey Kovalev. BoxingScene.com has learned that the former three-time light heavyweight world titlist has tested positive again for synthetic ...

Testosterone is a naturally occurring steroid hormone. Despite its status as a steroid, prescription testosterone replacement ...

Testosterone propionate was once a common treatment for men with low testosterone. It’s a synthetic version of the naturally occurring hormone. This solution and other drugs that mimic testosterone ...

Oakland A's right-hander Bartolo Colon was suspended for 50 games Wednesday for using synthetic testosterone, the second such high-profile suspension within a week and another sobering reminder that ...

NEW YORK — The test to detect synthetic testosterone — used on Tour de France winner Floyd Landis’ urine sample — is highly accurate, experts say. Philippe Verbiest, the lawyer for cycling’s world ...

East Brunswick, NJ - Savient Pharmaceuticals has sent a letter to healthcare professionals notifying them of an important drug interaction between Oxandrin ® (oxandrolone), a synthetic derivative of ...

NEW YORK -- Tests show that some of the testosterone in Floyd Landis' system at the Tour de France was synthetic and not naturally produced by his body as he claimed, according to a newspaper report.