Colorado Springs, Colo. – USADA announced today that Vinicius Moreira Castro, of Distrito Federal, Brasilia, Brazil, has received a public warning for a violation of the UFC® Anti-Doping Policy.
Moreira Castro, 31, tested positive for anastrozole as the result of a urine sample collected out-of-competition on September 25, 2020. Anastrozole is a Specified Substance in the class of Hormone and Metabolic Modulators and is prohibited at all times under the UFC Anti-Doping Policy and UFC Prohibited List.
Following notification of his positive test, Castro provided an open container of a compounded supplement he was using prior to his positive test for analysis at a WADA-accredited laboratory. Although no prohibited substances were listed on the supplement label, the analysis revealed a low level of anastrozole in the product. Because the product was not a Certified Supplement, Castro faces a violation.
This case was resolved under the revised UFC Anti-Doping Policy announced on January 14, 2021. Under the revised Policy, USADA may consider in the resolution of the case – along with other factors – whether an athlete’s exposure to a prohibited substance had or likely had a performance enhancing benefit.
Roberto Villa is the CEO, Founder, Executive Writer, Senior Editor of FightBook MMA. Has a passion for Combat Sports and also a podcast host for Sitting Ringside. He’s also a former MMA fighter and Kickboxer.
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