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What substance did Contador test positive for in 2010?

  • Clenbuterol

  • EPO

  • Caffeine

  • Testosterone

Answer

Clenbuterol, the substance Contador tested positive for in 2010, is a bronchodilator used to treat respiratory conditions such as asthma. It has anabolic properties, leading to its misuse as a performance-enhancing drug in sports. Its presence in Contador's sample, albeit in trace amounts, resulted in a lengthy suspension and controversy, impacting the cycling world and raising discussions about anti-doping measures.
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