Filed under: Featured , Featured Videos , News , UFC , Videos The Nevada State Athletic Commission today confirmed the substances for which Jon Jones tested positive prior to his ill-fated title unifier with light heavyweight champ Daniel Cormier at UFC 200. Jones came back positive for hydroxy-clomiphene, “an anti-estrogenic agent” and “letrozole metabolite,” an “aromatase inhibitor,” NSAC attorney Caroline Bateman said today during a hearing in Las Vegas. The substances, which are both banned year-round by the World Anti-Doping Agency, are consistent with the type named by Jones’ ex-training partner and opponent, Rashad Evans, who first claimed the interim champ tested positive for estrogen blockers . Estrogen blockers can potentially act in tandem with performance-enhancers by helping to mitigate their side effects, and are also thought to restart natural testosterone production. A temporary suspension placed on Jones’ Nevada fight license was subsequently extended by a unanimous vote, while a formal hearing is expected for September or October. Jones has retained noted anti-doping attorney Howard Jacobs, who’s previously defended MMA fighters Sean Sherk, Alexander Shlemenko, and, most recently, Tim Means.
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