PROBLEM TO BE SOLVED: To provide a solid composition that suppresses residual metallic taste and bitter tastes and contains quercetin and/or quercetin glucoside having good flavor.SOLUTION: The present invention relates to a solid composition that contains the following components (A), (B), and (C): (A) quercetin and/or quercetin glucoside (B) gas salt and (C) organic acid wherein the content mass ratio of the component (A) and the component (B) [(B)/(A)] is 0.2 or more, and the equivalent ratio of the component (C) and the component (B) [the equivalent of (C)/the equivalent of (B)] is 0.7 to 4.
