The List of Prohibited Substances and Methods, updated annually by the World Anti-Doping Agency (WADA), is the International Standard defining what is prohibited In-Competition and Out-of-Competition. The List also indicates whether particular substances are banned in particular sports. WADA reviews and updates the List annually and the most current edition of the List is posted on WADA's website at: www.wada-ama.org
. The updated Prohibited List comes into effect on 1 January every year.