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Sports drinks are beverages whose stated purpose is to help athletes replace water, electrolytes, and energy after training or competition, though their efficacy for that purpose has been questioned, particularly after exercise which is only moderate. ==Categories of sport drinks== Sports drinks can be split into three major types:〔(Sports energy drinks: pros and cons of drinking them )〕 *Isotonic sport drinks contain similar concentrations of salt and sugar as in the human body. *Hypertonic sport drinks contain a higher concentration of salt and sugar than the human body. *Hypotonic sport drinks contain a lower concentration of salt and sugar than the human body. Most sports drinks are moderately isotonic, having between 4 and 5 heaped teaspoons of sugar per five ounce (13 and 19 grams per 250ml) serving. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Sports drink」の詳細全文を読む スポンサード リンク
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