Mo Farah: Doctor says L carnitine injection not recorded correctly BBC Sport The needle and the damage done World Anti Doping Agency (WADA) Prohibited List USADA The Prohibited List World Anti Doping Agency Winter Olympics: how the drug found in Kamila Valieva's sample, trimetazidine, enhances performance in sports South China Morning Post Yohimbine is one of the only lipolytic products that is not banned by WADA and has a sound Mechanism of Action (MOA). However, its effectiveness for fat loss remains a point of