Nutritional supplements cross‐contaminated and faked with doping substances
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چکیده
منابع مشابه
Nutritional supplements cross-contaminated and faked with doping substances.
Since 1999 several groups have analyzed nutritional supplements with mass spectrometric methods (GC/MS, LC/MS/MS) for contaminations and adulterations with doping substances. These investigations showed that nutritional supplements contained prohibited stimulants as ephedrines, caffeine, methylenedioxymetamphetamie and sibutramine, which were not declared on the labels. An international study p...
متن کاملNutritional supplements and doping.
CONTEXT The problems of doping in sport and the increasing use of nutritional supplements by athletes are issues that intersect to the degree that a large number of supplements may contain substances that are banned in sport. Many supplements contain substances that are associated with significant health hazards. Athletes consuming such supplement products may jeopardize their sporting status, ...
متن کاملNutritional supplements: prevalence of use and contamination with doping agents.
Based upon recent sales numbers, nutritional supplements play a key role in the lifestyle of a substantial proportion of the population. As well as products such as vitamins or minerals, several precursors of anabolic steroids are marketed as nutritional supplements. Another group of commercially available supplements are products for weight loss based upon herbal formulations originating from ...
متن کاملNutritional supplements as a source for positive doping cases?
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.
متن کاملIntended or Unintended Doping? A Review of the Presence of Doping Substances in Dietary Supplements Used in Sports
INTRODUCTION The use of dietary supplements is increasing among athletes, year after year. Related to the high rates of use, unintentional doping occurs. Unintentional doping refers to positive anti-doping tests due to the use of any supplement containing unlisted substances banned by anti-doping regulations and organizations, such as the World Anti-Doping Agency (WADA). The objective of this r...
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ژورنال
عنوان ژورنال: Journal of Mass Spectrometry
سال: 2008
ISSN: 1076-5174,1096-9888
DOI: 10.1002/jms.1452