Athletes risk side effects with 'off label' use of substances Sport The Guardian Classes of prohibited substances by WADA. Download Scientific Diagram The Peptide Craze Ground Truths Research chemicals known as peptides, many of them banned by the World Anti Doping Agency and some not approved for human use in the United States, are available with the simple click of Reminder! Non approved peptides are on the WADA Prohibited List. Before you take ANYTHING, make sure you use Global DRO to check the status of medications or treatments in sport. Go to globaldro.com.