The purpose of the present invention is to reduce the sensation of sliminess, due to the calcium, when drinking a colorless transparent beverage which contains calcium and has a pH greater than or equal to 4.0. At least one item selected from the group consisting of vanillin, ethylvanillin, maltol and ethyl maltol is added to a colorless transparent beverage which contains calcium and has a pH greater than or equal to 4.0.本發明之課題為在含有鈣且pH值為4.0以上之無色透明飲料中,減輕飲用時所感受之來自鈣之黏稠感。於含有鈣且pH值為4.0以上之無色透明飲料中,將選自香草醛、乙基香草醛、麥芽醇及乙基麥芽醇所成群中至少一種摻混於飲料中。