大人におけるクレアチンの食事基準摂取量を確立する
1Faculty of Health Sciences, University of Pécs, Pécs, 7621, Hungary.
Nutrition reviews
|February 14, 2026
まとめ
新しい研究は,エネルギー代謝に不可欠な化合物であるクレアチンの最初の証拠に基づいた食事基準値を確立しています. これらの発見は,成人のための適切な摂取レベルを示唆し,不十分なリスクのあるグループを特定します.
科学分野:
- 栄養科学とは,栄養科学である.
- 人間の生理学 人間の生理学
- ダイエット基準摂取量
背景:
- クレアチンはエネルギー代謝に不可欠であり,筋肉と脳に貯蔵されています.
- クレアチンの状態を維持するために,特に動物性食品を避けている人にとって,食事による摂取は不可欠です.
- クレアチンのダイエット基準摂取量 (DRI) は,現在,成人のために確立されていない.
研究 の 目的:
- 19歳から65歳までの成人の毎日のクレアチン需要を推定する.
- 生理学的データに基づいて,クレアチンの適切な摂取量 (AI) を提案する.
- クレアチン不足のリスクのある集団を特定する.
主な方法:
- クレアチンの転用と内生合成に関する統合生理学的データ.
- 人口レベルでのクレアチンへの食事による暴露を評価した.
- クレアチニンへの変換によるクレアチンの損失を計算し,食事需要を推定する.
主要な成果:
- クレアチンの推定日々の損失:20 mg/kg/day (男性) と15 mg/kg/day (女性).
- 内生合成は損失の73%をカバーし,食事は残りの27%を供給する.
- 提案されたAI:5.4 mg/kg/day (男性) と4.1 mg/kg/day (女性).
結論:
- 成人のための最初のエビデンスベースのクレアチンAI値を確立しました.
- クレアチンは条件付き不可欠な栄養素であり,リスク集団の食事計画が必要です.
- 特定されたベジタリアン,ヴィーガン,および高齢者は,潜在的にクレアチン欠乏症に敏感である.
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