The French National Agency for Food Safety (ANSES) has issued a warning about the serious health risks associated with food supplements used by athletes to build muscle or burn fat.
Between 2016 and February 2024, 154 new cases of adverse reactions were reported, bringing the total to over 200. Among these, two deaths occurred, and four individuals faced life-threatening conditions.
Unlike medicines, food supplements do not require marketing authorization, leading to a proliferation of online sales sites. Major retailers are also entering this lucrative market. Traditionally popular among bodybuilders, the use of these supplements is spreading to sports where high muscle power or reduced body weight is essential, according to ANSES. This trend is fueled by the mistaken belief that a regular diet is insufficient to meet performance goals.
The French National Institute for Health and Medical Research also warns against the over-consumption of proteins, which can cause cardiovascular, general, and neurological symptoms, particularly in younger individuals with more sensitive bodies.
ANSES highlights another significant concern: the risk of doping. Ingredients such as anabolic steroids, clenbuterol, and ephedrine, which are prohibited, have been found in some food supplements. The presence of these substances constitutes fraud and can lead to athletes testing positive in anti-doping tests. Contamination by food supplements is increasingly cited as a reason for the presence of banned substances in athletes’ test results.
Athletes and sportspeople are urged to exercise caution and seek professional advice before consuming any food supplements. The health risks and potential for doping violations are significant, underscoring the need for greater regulation and awareness in this growing market.
