When Shelby Houlihan was served a four year doping ban in 2021, it wasn't clear what would happen if and when she returned to the sport. On Sunday, she won her 13th national I'm a clean athlete' insists Mo Farah Alberto Salazar used to inject his athletes with L Carnitine , At horizon, we recommend taking it orally (which is not banned)., Get your secret sauce at @popeyesburnaby_coquitlam and use code Mo Farah, Alberto Salazar and L carnitine Q&A: everything we know Mo Farah's former trainer Alberto Salazar gets 4 year doping ban CBC Sports Carnitine 1000 Increases fat burning, saves sugars Etixxsports