title: Nutritional supplements as a source for positive doping cases?
abstract: We report the findings of the analysis of 75 different nutritional supplements bought through the internet. Seven products (all from the class of prohormones) contained other hormone substances than indicated on the labels, and two further products contained ephedrine and caffeine without a clear indication on the labels.
authors.affiliation: Institute of Sports Sciences, Federal Office of Sports, CH-2532 Magglingen, Switazerland.
authors.forename: M
authors.initials: M
authors.lastname: Kamber
authors.forename: N
authors.initials: N
authors.lastname: Baume
authors.forename: M
authors.initials: M
authors.lastname: Saugy
authors.forename: L
authors.initials: L
authors.lastname: Rivier
mesh_terms: D002110:Caffeine / Q000302:isolation & purification; D019587:Dietary Supplements / Q000032:analysis*; D004300:Doping in Sports; D004340:Drug Contamination; D004348:Drug Labeling / Q000592:standards*; D004809:Ephedrine / Q000302:isolation & purification; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans
chemical_list: D002110:Caffeine; D004809:Ephedrine