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...Nutr hosp issn coden nuhoeq s v r revision use of nutritional supplements in sports risks knowledge and behavioural related factors o molinero marquez department physical education institute biomedicine university leon spain abstract utilizacion de suplementos nutricionales en el deporte riesgos a large number recreational elite athletes informacion y factores conductuales hopes improving perfor mance these aids can be costly potentially harmful resumen the advertised ergogenic gains are often based on lit tle or no scientific evidence due to lack regulation una gran cantidad deportistas tanto recreacionales dietary supplement industry an abundance sup como utilizan con la plement products dubious value content quality esperanza incrementar rendimiento estas ayudas now available around world many pueden tener un coste economico elevado ser potencial contain substances that prohibited sport mente peligrosas para salud basandose muchas veces have been associated with significant morbidit...