When American middle distance runner Shelby Houlihan learned late last year that she had tested positive for an anabolic steroid called nandrolone, she said she had to run a Google search on the substance to learn what it was.
"I had never even heard of nandrolone," Houlihan wrote on Instagram on Monday. Trenbolone Pills
In the world of sports doping, however, the substance is both common and well-known.
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