Kamila Valieva February 9, 2022 11:02 pm What is Trimetazidine? NBC Sports reported that Russian figure skater Kamila Valieva tested positive for trimetazidine, a banned substance. What is trimetazidine and have athletes been caught using it before? Local 0:54 Russian figure skater Valieva disqualified from 2022 Olympics for doping