Erriyon Knighton banned for doping WADA's 2024 Prohibited List now in force World Anti Doping Agency Valieva Had 3 Substances Sometimes Used to Help the Heart in Sample The New York Times Mo Farah explains why he changed story on taking L carnitine The Independent The Independent The 2026 List of Prohibited Substances and Methods is here. Approved by our Executive Committee, the List will take effect on 1 January 2026. Discover the main modifications for 2026 on our website now! 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