2026 WADA Prohibited List Now in Effect: Why Olympic Athletes Need More Than "Checked Box" Certification 2026 WADA Prohibited List Now in Effect: Why Olympic Athletes Need More Than "Checked Box" Certification 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 The controversial practice has now caught the attention of WADA and the president is amused. Link below.