Main Substance Categories
There are five main categories of drugs that are prohibited from tennis and all sports:
Anabolic steroids, which can help athletes build muscle and aids faster recovery
Peptide hormones, which produce similar effects to anabolic steroids
Beta-2 Agonists, which can relax the muscle surrounding the lungs allowing more air to enter the lungs
Stimulants, which raise the heart rate and may improve performance
Diuretics, which help the body to lose fluids and are often used to mask the presence of other drugs
In addition to these, local anaesthetics, cortico-steroids used to treat medical conditions such as asthma, and beta-blockers used to treat heart conditions, are subject to restrictions on their use.
The up-to-date prohibited list is hosted by the Word Anti-Doping Agency:
Visit WADA
Check medications or supplements
Any player who consumes a dietary supplement does so at their own risk. Players who consume supplements may inadvertently consume prohibited substances and therefore be subject to sanctions under the Tennis Anti-Doping Programme.
It is the responsibility of the player to undertake their own research concerning the use of supplements.
The ITIA does not recommend any supplements. Any player who consumes a dietary supplement does so at their own risk. Players who consume supplements may inadvertently consume prohibited substances and therefore be subject to sanctions under the Tennis Anti-Doping Programme