There are provided an oral composition and a confection that exhibit activity equivalent to or higher than that of a decanoic acid-containing composition, and a method for producing such an oral composition. The oral composition and the confection contain at least three ingredients: cinnamon, low molecular proanthocyanidin, and menthol. The method for producing, the oral composition includes the steps of: dissolving at least 0.2 to 1.0% by weight of low molecular proanthocyanidin in 0.2 to 2.0% by weight of at least one water-soluble solvent selected from glycerin or propylene glycol to form a solution; kneading at least 0.1 to 0.5% by weight of cinnamon and 0.1 to 0.4% by weight of menthol into sugar-free base dough to prepare candy- or gel-like kneaded dough; and mixing the solution with the kneaded dough.