Androstenedione

Testosterone is derived from the androgen called androstenedione via a reduction of its 17-keto group. ❋ Unknown (2010)

The revelation he favoured an easily available pick-me-up called androstenedione - banned by every sport that actually cared about drug testing - created as much animosity toward the reporter who wrote the story as it did McGwire. ❋ Unknown (2009)

The revelation he favoured an easily available pick-me-up called androstenedione - banned by every sport that actually cared about drug testing - created as much animosity towards the reporter who wrote the story as it did towards McGwire. ❋ Unknown (2009)

Management wants year-round random testing, a ban on precursors such as androstenedione and stiffer penalties for players who violate the policy. ❋ Unknown (2004)

Certain adrenal tumors cause elevated levels of androstenedione which is converted by the enzyme aromatase into estrone, a form of estrogen. ❋ Unknown (2009)

As Linkmeister and Dr X point out, Mark McGwire was indeed up front about his use of androstenedione. ❋ Unknown (2009)

Other blood tests (your doctor will determine how often), including chemistries; lactate dehydrogenase; and adrenal hormones such as cortisol, testosterone, 17-hydroxyprogesterone, androstenedione and dehydroepiandrosterone ❋ Unknown (2009)

For many athletes, the terms of the code were breached in a single moment in 1998 when a reporter spied a bottle of androstenedione in Mark McGwire's locker. ❋ Craig Wolff (2011)

ROBERTS: So what he said goes way beyond the androstenedione that he had already admitted to taking? ❋ Unknown (2010)

Aug. 19, 1998: The Associated Press reports that St. Louis Cardinals slugger Mark McGwire, at the time on his way to breaking Roger Maris 'single-season home run record, has a bottle of androstenedione in his Busch Stadium locker. ❋ Unknown (2007)

In 1998, McGwire admitted to using androstenedione, which has since been banned by Major League Baseball. ❋ Unknown (2007)

He acknowledged in 1998 using androstenedione (since banned) and has been accused of using steroids, allegations he refused to address during a 2005 congressional hearing. ❋ Unknown (2007)

The report talks about negative health effects of androstenedione. ❋ Unknown (2007)

Some ingredients on our high-risk list include androstenedione and bitter orange, found in supplements used to boost athletic performance. ❋ Unknown (2009)

In 1998, Steve Wilstein of the Associated Press wrote about observing a bottle of androstenedione in slugger Mark McGwire's locker. ❋ Unknown (2009)

Asking your trainer to inject you with deca-durabolin or androstenedione, to name two illegal steroids, is against the rules. ❋ Unknown (2009)

Romero, who won two World Series games last fall, received a 50-game suspension from baseball for testing positive for androstenedione—or andro, used most controversially by Mark McGwire—which Romero blamed on 6-OXO Extreme, an over-the-counter supplement marketed as a testosterone booster. ❋ William Harryman (2009)