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Title: Immunological aspects of sport nutrition
Authors: Gleeson, Michael
Issue Date: 2016
Publisher: Nature Publishing Group
Citation: GLEESON, M., 2016. Immunological aspects of sport nutrition. Immunology and Cell Biology, 94 (2), pp. 117-123.
Abstract: Prolonged bouts of exercise and heavy training regimens are associated with depression of immune system functions that can increase the risk of picking up opportunistic infections such as the common cold and influenza. Some common sport nutrition practices including high-carbohydrate diets and carbohydrate ingestion during exercise, training with low-glycogen stores, intentional dieting for weight loss, ingestion of high-dose antioxidant supplements and protein ingestion post exercise may influence immune system status in athletes. In order to maintain robust immunity, athletes need to consume a well-balanced diet that is sufficient to meet their requirements for energy, carbohydrate, protein and micronutrients. Dietary deficiencies of protein and specific micronutrients are well known to be potential causes of immune dysfunction and an adequate intake of some essential minerals including iron and zinc and the vitamins A, D, E, B6 and B12 are important to maintain a healthy immune function. Vitamin D may be a particular concern as recent studies have emphasised its importance in limiting infection episode incidence and duration in both the general population and in athletes and many individuals exhibit inadequate vitamin D status during the winter months. There is only limited evidence that individual amino acids, β-glucans, herbal extracts and zinc are capable of boosting immunity or reducing infection risk in athletes. The ingestion of carbohydrate during exercise and daily consumption of probiotics, vitamin D3, bovine colostrum and plant polyphenol containing supplements or foodstuffs currently offer the best chance of success, particularly for those individuals who are prone to illness.
Description: This paper was accepted for publication in the journal Immunology and Cell Biology and the definitive published version is available at http://dx.doi.org/10.1038/icb.2015.109
Sponsor: The author has received funding for research from GlaxoSmithKline, Nestle, PepsiCo and Yakult.
Version: Accepted for publication
DOI: 10.1038/icb.2015.109
URI: https://dspace.lboro.ac.uk/2134/20675
Publisher Link: http://dx.doi.org/10.1038/icb.2015.109
ISSN: 0818-9641
Appears in Collections:Published Articles (Sport, Exercise and Health Sciences)

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