The Chinese swimmers tested positive for trimetazidine, a banned performance-enhancing substance, several months before the Tokyo Olympics – a tournament at which they were allowed to compete in, and went on to win medals at, according to a report from the New York Times released in coordination with German public broadcaster ARD.
.” A statement from cited by Xinhua said the swimmers tested positive for an “extremely low concentration” of trimetazidine at a national swimming event in 2021. Trimetazidine has the potential to boost endurance and has been banned by WADA since 2014. ultimately decided that the athletes should not be held responsible for the results after its “immediate” investigation concluded that they were inadvertently exposed to the substance through contamination, Xinhua reported.