The U.S. Anti-Doping Agency announced on Tuesday that Jake Collier has accepted a 10-month suspension term after he declared the use of a product that listed and contained a prohibited substance, and subsequently tested positive for that substance. Collier (11-4 MMA, 3-3 UFC) tested positive for Higenamine as the result of an out-of-competition urine sample he provided Dec. 27. According to the USADA release , Higenamine is “Specified Substance in the class of Beta-2 Agonists and prohibited at all times under the UFC Anti-Doping Policy, which has adopted the World Anti-Doping Agency (WADA) Prohibited List.” The release continued with more details about the substance, as well as the circumstances which led to Collier’s suspension. Research indicates that Higenamine may act as a general stimulant and may be found in some pre-workout, energy, or weight-loss products
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UFC’s Jake Collier accepts 10-month suspension from USADA, claims ‘simple mistake’ – MMA Junkie