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International Olympic Committee Expert Group on Dietary Supplements in Athletes

Dietary supplements encompass a wide range of products, including essential nutrients (vitamins, minerals, proteins, amino acids, etc.), herbals and botanicals, and specific products with potential for maintenance of health and optimisation of performance. The use of dietary supplements is

Open access

Edgar J. Gallardo and Andrew R. Coggan

contain articles extolling the virtues of BRJ supplementation as an ergogenic aid, and a large number of BRJ supplements in various forms (i.e., powders, mixed drinks, concentrates, bulk juice) are now marketed to athletes. However, the NO 3 − content of beets or BRJ depends heavily on a number of

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Ronald J. Maughan, Susan M. Shirreffs and Alan Vernec

Athletes use dietary supplements in the hope or expectation of a beneficial effect, which, for the elite athlete, generally means a positive effect on competitive performance. Such an effect may be achieved directly, by a specific effect on performance in competition, or indirectly by better health

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Ina Garthe and Ronald J. Maughan

Many athletes, at all levels of competition, place great emphasis on the use of dietary supplements, but of all the factors that determine athletic performance, supplements can play only a very small role. Compared with factors such as talent, training, tactics, and motivation, nutrition has a

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Romain Meeusen and Lieselot Decroix

stimuli to recall memorial representations of experiences with particular food items. These memorial representations can be pleasant or unpleasant (e.g., conditioned food/taste aversion). It is clear that nutrition (and supplements) will influence brain functioning. Nutrition provides the proper building

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Ronald J. Maughan, Louise M. Burke, Jiri Dvorak, D. Enette Larson-Meyer, Peter Peeling, Stuart M. Phillips, Eric S. Rawson, Neil P. Walsh, Ina Garthe, Hans Geyer, Romain Meeusen, Luc van Loon, Susan M. Shirreffs, Lawrence L. Spriet, Mark Stuart, Alan Vernec, Kevin Currell, Vidya M. Ali, Richard G.M. Budgett, Arne Ljungqvist, Margo Mountjoy, Yannis Pitsiladis, Torbjørn Soligard, Uğur Erdener and Lars Engebretsen

Dietary supplements are used by athletes at all levels of sport, reflecting the prevalence of their use in the wider society. About half of the adult US population uses some form of dietary supplements ( Bailey et al., 2011 ) and, though there are regional, cultural, and economic differences, a

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Louise M. Burke and Peter Peeling

A common discussion point among experienced sports scientists, especially those who serve on journal editorial boards with opportunities to vet incoming manuscripts, is that studies of supplements and sports performance seem to be considered an entry point to the world of sports nutrition research

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Eric S. Rawson, Mary P. Miles and D. Enette Larson-Meyer

Several dietary supplements, including carbohydrate, caffeine, creatine monohydrate, nitrate, beta-alanine, and sodium bicarbonate, are well-established performance enhancers (see Peeling et al., 2018 ). Additionally, the beneficial effects of protein on the adaptive response to exercise has been

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Peter Peeling, Martyn J. Binnie, Paul S.R. Goods, Marc Sim and Louise M. Burke

these underpinning factors are accounted for, and the athlete reaches a training maturity and competition level where marginal gains determine success, a role may exist for the use of evidence-based performance supplements. Although an array of supplements are marketed for the enhancement of sports

Open access

Peter Peeling, Linda M. Castell, Wim Derave, Olivier de Hon and Louise M. Burke

Numerous nutritional products are marketed with claims of optimizing athlete health and function and/or enhancing performance. Products that fall under the banner of “Sports Foods” or “Dietary Supplements,” may be used to support performance during training and competition or for enhancing aspects