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A-Z of nutritional supplements: dietary supplements, sports nutrition foods and ergogenic aids for health and performance-Part 20 Universiteit Gent

K Currell, Wim Derave, Inge Everaert, L McNaughton, G Slater, LM Burke, SJ Stear, LM Castell
As usual, the alphabet throws together a mixture of supplements with different levels of popularity and scientific support. Part 20 covers some rarely reported, studied and/or little used supplements in sport: glycine, histidine and inosine. The majority of human studies of supplementation with the essential amino acid histidine has involved clinical work. In terms of athletic performance, there is current interest in supplementation strategies ...

Cholestatic liver injury induced by food additives, dietary supplements and parenteral nutrition Vrije Universiteit Brussel

Vânia Vilas-Boas, Eva Gijbels, Joop Jonckheer, Elisabeth De Waele, Mathieu Vinken

Cholestasis refers to the accumulation of toxic levels of bile acids in the liver due to defective bile secretion. This pathological situation can be triggered by drugs, but also by ingredients contained in food, food supplements and parenteral nutrition. This paper provides an overview of the current knowledge on cholestatic injury associated with such ingredients, with particular emphasis on the underlying mechanisms of toxicity.

Screening, identification and quantification of glucosinolates in black radish (Raphanus sativus L. niger) based dietary supplements using liquid chromatography coupled with a photodiode array and liquid chromatography-mass spectrometry Instituut voor Landbouw-, Visserij- en Voedingsonderzoek Universiteit Antwerpen Universiteit Gent

E Njumbe Ediage, José Diana Di Mavungu, Y J Schneider, Y Larondelle, Alfons Callebaut, Johan Robbens, C. Van Peteghem, Sarah De Saeger
The glucosinolate profile of black radish (Raphanus sativus L. niger) based dietary supplements has been investigated by HPLC-PDA, LC-ESI-MS/MS and LC-APCI-MS/MS systems. Optimization of the MS/MS parameters and LC conditions was performed using sinigrin reference standard and rapeseed certified reference material (BC190) respectively. An LC-ESI-MS/MS system was used to detect (screen) and identify the naturally occurring intact glucosinolates ...

Dietary supplements for aquatic sports Universiteit Gent

Wim Derave, Kevin D Tipton
Many athletes use dietary supplements, with use more prevalent among those competing at the highest level. Supplements are often self-prescribed, and their use is likely to be based on an inadequate understanding of the issues at stake. Supplementation with essential micronutrients may be useful when a diagnosed deficiency cannot be promptly and effectively corrected with food-based dietary solutions. When used in high doses, some supplements ...

Sports foods and dietary supplements for optimal function and performance enhancement in track-and-field athletes Universiteit Gent

Peter Peeling, Linda M Castell, Wim Derave, Olivier de Hon, Louise M Burke
Athletes are exposed to numerous nutritional products, attractively marketed with claims of optimizing health, function and performance. However, there is limited evidence to support many of these claims, and the efficacy and safety of many products is questionable. The variety of nutritional aids considered for use by track and field athletes includes sports foods, performance supplements and therapeutic nutritional aids. Support for sports ...

Dietary supplements for athletes: Emerging trends and recurring themes KU Leuven

Peter Hespel
Dietary supplements are widely used at all levels of sport. Changes in patterns of supplement use are taking place against a background of changes in the regulatory framework that governs the manufacture and distribution of supplements in the major markets. Market regulation is complicated by the increasing popularity of Internet sales. The need for quality control of products to ensure they contain the listed ingredients in the stated amount ...

Dietary supplements and bariatric surgery Vrije Universiteit Brussel

Amin Gasmi, Geir Bjørklund, Yuliya Semenova, Alexandru Dosa, Salva Piscopo, Joeri Pen, Daniel-Ovidiu Costea

Bariatric surgery or weight loss surgery has been in practice for achieving significant weight loss in patients who have failed to achieve weight loss after pharmacological interventions. The rising cases of obesity are a triggering factor for more bariatric surgeries worldwide. Interestingly, sustained weight loss achieved post-bariatric surgery offers metabolic advantages, and patients show improved glucose and lipid metabolisms. Bariatric ...