USADA

UFC changes anti-doping policy, won't punish fighters for marijuana use 9
UFC changes anti-doping policy, won’t punish fighters for marijuana use
WADA
Anti-Doping in 2020: COVID-19 and its impact on global anti-doping efforts
USADA confirms the presence of anti-doping officers at UFC's 'Fight Island' 10
USADA confirms the presence of anti-doping officers at UFC’s ‘Fight Island’
Kelvin Gastelum tests positive for cannabis, suspended 4 months after reduction 11
Kelvin Gastelum tests positive for cannabis, suspended 4 months after reduction
Nutrition company supplement linked to Diaz brothers lands on USADA risk list 12
Nutrition company supplement linked to Diaz brothers lands on USADA risk list
UFC Moscow Arena
Marijuana and USADA: Recreational drug penalties reduced in recent UFC anti-doping policy changes
Nate Diaz (UFC/Getty Images)
Nate Diaz vs. USADA: Everything you need to know before UFC 244
UFC's Alen Amedovski tests positive for marijuana on 4/20 13
UFC’s Alen Amedovski tests positive for marijuana on 4/20
Ivan Shtyrkov and UFC part ways following potential doping violation 14
Ivan Shtyrkov and UFC part ways following potential doping violation
Nov. 3, 2017 - Source: Mike Stobe/Getty Images North America
Walt Harris: Ligandrol-tainted supplement “cost me thousands”