text: In 2015, an 18-year-old female karateka (martial arts practitioner) from Egypt gave a urine sample in order for her drugs test to be administered. It was found that the urine contained too much ractopamine and the athlete was sanctioned with ineligibility for four years. The sole arbitrator from the Court of Arbitration for Sport said that ractopamine "is not specifically mentioned by name in the World Anti-Doping Code ("WADC"), but is an Other Anabolic Agent prohibited under S1.2 of the 2015 Prohibited List under the WADC... Athlete did not fulfil her burden of proof to establish the origin of the prohibited substance, [and thus] she has committed an anti-doping rule violation".
  In October 2017 at a World Anti-Doping Agency conference, it was suggested in relation with ractopamine
  One conclusion reached in October 2017 was that there was a "clear risk for athletes to be tested positive" when consuming meat with residues at the MRL concentration.