The purpose of the present invention is to provide a beverage in which the aftertaste caused by rebaudioside D (RebD) and rebaudioside M (RebM) is improved. The content (A) of tea-polymerized polyphenols in the beverage is adjusted to within a specific range, the total content (B) of RebM and/or RebD in the beverage is adjusted to within a specific range, and B/A is adjusted to within a specific range.