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首页> 外文期刊>The British Journal of Nutrition >How much is too much? A case report of nutritional supplement use of a high-performance athlete.
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How much is too much? A case report of nutritional supplement use of a high-performance athlete.

机译：多少是太多了？一个高性能运动员使用营养补充品的病例报告。

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摘要

Although dietary nutrient intake is often adequate, nutritional supplement use is common among elite athletes. However, high-dose supplements or the use of multiple supplements may exceed the recommended daily allowance (RDA) of particular nutrients or even result in a daily intake above tolerable upper limits (UL). The present case report presents nutritional intake data and supplement use of a highly trained male swimmer competing at international level. Habitual energy and micronutrient intake were analysed by 3 d dietary reports. Supplement use and dosage were assessed, and total amount of nutrient supply was calculated. Micronutrient intake was evaluated based on RDA and UL as presented by the European Scientific Committee on Food, and maximum permitted levels in supplements (MPL) are given. The athlete's diet provided adequate micronutrient content well above RDA except for vitamin D. Simultaneous use of ten different supplements was reported, resulting in excess intake above tolerable UL for folate, vitamin E and Zn. Additionally, daily supplement dosage was considerably above MPL for nine micronutrients consumed as artificial products. Risks and possible side effects of exceeding UL by the athlete are discussed. Athletes with high energy intake may be at risk of exceeding UL of particular nutrients if multiple supplements are added. Therefore, dietary counselling of athletes should include assessment of habitual diet and nutritional supplement intake. Educating athletes to balance their diets instead of taking supplements might be prudent to prevent health risks that may occur with long-term excess nutrient intake
机译：尽管饮食中的营养摄入通常足够，但精英运动员普遍使用营养补充剂。但是，高剂量补充剂或多种补充剂的使用可能会超出特定营养素的建议每日允许摄入量（RDA），甚至导致每日摄入量超出容许上限（UL）。本病例报告提供了营养摄入量数据，并补充了在国际一级竞争的训练有素的男游泳运动员的使用情况。通过3天的饮食报告分析了习惯能量和微量营养素的摄入。评估补充剂的使用和剂量，并计算营养供应总量。根据欧洲食品科学委员会提出的RDA和UL对微量营养素的摄入量进行了评估，并给出了补品（MPL）的最大允许含量。运动员的饮食中提供的微量营养素含量远高于RDA（维生素D除外）。据报道，同时使用十种不同的补品，导致叶酸，维生素E和锌的摄入量超出了允许的UL。另外，作为人造产品消费的九种微量营养素的每日补充剂量大大高于MPL。讨论了运动员超过UL的风险和可能产生的副作用。如果添加多种补充剂，那么高能量摄入的运动员可能会有超过特定营养素超标摄入量的风险。因此，运动员的饮食咨询应包括对惯常饮食和营养补充摄入的评估。为了避免长期摄入过多的营养素可能导致健康风险，教育运动员平衡饮食而不是服用补品

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