UFC lightweight Khabib Nurmagomedov revealed that USADA is currently studying the properties of meldonium after Islam Makhachev was flagged for the substance.
Following an unprecedented number of failed tests for the recently banned meldonium, the United States Anti-Doping Agency has chosen to conduct studies on the properties of the blood flow drug.
According to UFC lightweight Khabib Nummagomedov, USADA is currently determining the half life of the substance, as well as its performance enhancing qualities.
"Nine times the results of my tests were clean," Khabib told Tass.ru. "As for Islam, it is not only about him, as many athletes suffered due to meldonium.