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Nutritional Supplements

Is there a risk of doping when taking nutritional supplements?

Yes. Extreme caution is recommended regarding supplement use even when no prohibited substance is listed on the label. A number of positive tests have been attributed to the misuse of supplements, poor labelling or contamination of dietary supplements.

The use of dietary supplements by athletes is a concern because in many countries the manufacturing and labelling of supplements may not follow strict rules, which may lead to a supplement containing an undeclared substance that is prohibited under anti-doping regulations. Taking a poorly labelled dietary supplement is not an adequate defence in a doping hearing.

Neither WADA nor the IGF is involved in any supplement certification process and therefore do not certify or endorse manufacturers or their products. WADA and the IGF do not control the quality or the claims of the supplements industry.

Further information on the Risk of Using Supplements and see also WADA’s Q&A on Nutritional Supplements.

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