WADA Monitoring, Looking At Possible Corticosteroids & Caffeine Ban World Anti Doping Agency (WADA) Prohibited List USADA WADA Code Athlete Protection Informed Sport I genuinely forgot': Mo Farah explains changing story over taking supplement Mo Farah The Guardian 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 PDF) Brain doping substances: prohibited or not in sports?