PROBLEM TO BE SOLVED: To provide a new use for fish cartilage water extract comprising proteoglycan.SOLUTION: The present invention provides an oral composition comprising fish cartilage water extract comprising proteoglycan.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】プロテオグリカンを含有する魚類軟骨水抽出物の新たな用途を提供する。【解決手段】プロテオグリカンを含有する魚類軟骨水抽出物を含む、経口組成物。【選択図】なし