As an athlete, you train hard. Sometimes you may get injured or sick, or you may need to take regular medication for an ongoing condition such as asthma or diabetes. Make sure you check everything you take - and how you take it - in advance.
Athletes can and do test positive as a result of contaminated supplements. It's important to know the risks supplements pose - and how you can manage them.
Recreational drugs are banned in sport during competition and if you use them, you’re taking a risk. Testing positive for a recreational drug can result in a ban from all sport.
The Prohibited List is published by the World Anti-Doping Agency (WADA) and details all substances and methods which are prohibited or banned in sport. It is updated every year on January 1.