Nike does not condone the use of illegal performance enhancing drugs in any manner.
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"I've never used performance enhancing drugs of any kind and I never will, " Gonzalez tweeted.
All three served suspensions for violations of baseball's performance enhancing drug rules last year.
The contract clause forbidding use of PED (performance enhancing drugs) was violated too many times to count.
And not all dopers take the same products or get the same performance enhancing boost from them.
His lawyer has said that the substance involved, which has not been disclosed, was not performance enhancing.
The ASPCA is pushing for federal regulation to halt the use of performance enhancing drugs on the racetrack.
In 2003, she was asked by federal agents whether she had taken banned performance enhancing drugs, and she said no.
On Monday, the Channel Four television programme 'Dispatches' investigated the use of both recreational and performance enhancing substances in football.
"In sports where people compete, we have prohibitions on the use of steroids and other performance enhancing drugs, " she said.
The erosion of ethics and gross inequalities created by the use of performance enhancing drugs for athletes remains a challenge.
UNESCO: All Events | United Nations Educational, Scientific and Cultural Organization
She had testified that she had heard Armstrong admit to doctors in 1996 that he had used performance enhancing drugs.
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Pettitte was now a member of the Houston Astros and confirmed that he had injected himself with the performance enhancing substance once.
Those rules prohibited the use of certain performance enhancing substances and methods.
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Now that Armstrong has admitted using performance enhancing drugs and has lost his seven Tour de France titles looking like him maybe isn't so cool.
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Mr. WILLIAMS: Our book as it pertains to Bonds describes an entire trajectory of his career as a user of performance enhancing drugs.
Deferred compensation, suspensions for performance enhancing substances and inflated salaries run the gamut of short and long term liabilities that franchises consistently encounter.
So the race between the scientists who create new performance-enhancing substances and scientists who create new tests for new performance-enhancing substances is long over.
Days after the release of the report, Pettitte corroborated with what Brian McNamee had told George Mitchell regarding his use of performance enhancing substances.
Winfrey, appearing on "CBS This Morning, " appeared to confirm media reports Tuesday that Armstrong acknowledged using performance enhancing substances in his interview with her.
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Brian Levin, who calls himself "chairman of the herd" at Performance Enhancing Meat Snacks, in Denver, says he set out to make a moist jerky.
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We used to believe baseball players were not cheating the sport but found out that many of our heroes lied about using performance enhancing drugs.
He then sat down for the big taping with Oprah, in which he reportedly admitted to using performance enhancing drugs during his cycling career.
It added that Bree "abhors the use of performance enhancing drugs".
Selig, along with the players union, has been criticized for acting too slowly to implement rules and adequate testing for the use of performance enhancing drugs.
The New York Times is reporting that Roger Clemens will be indicted on charges of lying to Congress about his use of performance enhancing drugs.
Jones was sentenced to six months in prison for lying about her use of banned performance enhancing drugs and her knowledge of an illegal check-cashing scheme.
His indiscretions with performance enhancing substances were all but forgotten due to the way he had handled the situation and accepted full responsibility for his actions.
He is not burdened with the ghastly rumors and accusations of performance enhancing substances nor is he adamantly defending his innocence in a court of law.
We later came to discover that performance enhancing drugs were also part of the equation, but the moral outrage over them has drowned out all other factors.
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