Usually carbohydrates are used first, but when RS is present, dietary fat is oxidised first into energy before it has a chance to be stored as body fat.

• 通常碳水化合物首先被用，但是当 RS 是礼物的时候，在它有一个机会当做体脂肪被储存之前，饮食的脂肪被首先进入能源之内使氧化。