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 World Anti Doping Agency (WADA) Prohibited List USADA Kamila Valieva acknowledged taking two permitted substances for heart The Washington Post 2026 WADA Prohibited List Now in Effect: Why Olympic Athletes Need More Than "Checked Box" Certification L CARNITINE (3000 mg)