Provided is a beverage having the fruitiness of flavorful acidic citrus fruits, in which a fruity freshness and the characteristic flavor of flavorful acidic citrus fruits can be tasted. In this beverage containing the fruit juice of a flavorful acidic citrus fruit in a fruit juice ratio of 1% to 30%, the ratio of the amount of naringin to the total amount of naringin, hesperidin, eriocitrin, narirutin, neohesperidin, and rutin is 0.10-0.50.