YEKATERINBURG, RUSSIA. MARCH 9, 2016. Meldonium for sale under the trademark Mildronat. The drug, manufactured by Grindeks, is used in heart disease therapy. Meldonium was added to the World Anti-Doping Agency's banned list on January 1, 2016. Russian tennis player Maria Sharapova admitted to testing positive to Meldonium during the 2016 Australian Open. Donat Sorokin/TASS (Photo by Donat Sorokin\TASS via Getty Images)