The purpose of the present invention is to reduce the harsh taste due to the calcium in a colorless transparent beverage that contains calcium. Lactose and/or at least one type of oligosaccharide is added to a colorless transparent beverage which contains calcium.本發明之課題為在含有鈣之無色透明飲料中,減輕來自鈣之苦澀味。於含有鈣之無色透明飲料中摻混乳糖及/又或至少1種寡糖。