PROBLEM TO BE SOLVED: To provide a method for manufacturing a citrus flavored beverage having natural sweetness and juiciness inherent to fruit itself.SOLUTION: A citrus flavored beverage contains a beverage base, a citrus flavor, and a Capsicum oleoresin with an enhanced ratio of citrus flavor. The Capsicum oleoresin of the beverage has a Scoville pungency unit of 500,000 to 1,000,000. The method for manufacturing a citrus flavored beverage includes adding the citrus flavor and the Capsicum oleoresin with an enhanced ratio of citrus flavor to the beverage base. The method for enhancing the citrus flavor of a citrus flavored beverage includes adding the Capsicum oleoresin with an enhanced ratio of citrus flavor to the citrus flavored beverage base.