PROBLEM TO BE SOLVED: To provide a method for suppressing the off-taste of potassium chloride.SOLUTION: The method for suppressing the off-taste of potassium chloride includes allowing D-amino acid or a salt thereof to coexist with potassium chloride. An oral composition includes potassium chloride and D-amino acid or a salt thereof in an effective amount for suppressing the off-taste of the potassium chloride.COPYRIGHT: (C)2015,JPO&INPIT【課題】塩化カリウムの異味抑制方法の提供。【解決手段】D-アミノ酸またはその塩と塩化カリウムとを共存させる、塩化カリウムの異味抑制方法と、塩化カリウムと、該塩化カリウムの異味を抑制する有効量のD-アミノ酸またはその塩とを含有させてなる経口組成物。【選択図】なし