PROBLEM TO BE SOLVED: To provide an arthralgia improver having high efficacy.SOLUTION: An arthralgia improver contains as active ingredients nondenaturing proteoglycan and nondenaturing collagen of 3:10-7:10 in mass ratio.SELECTED DRAWING: Figure 7COPYRIGHT: (C)2018,JPO&INPIT【課題】効果の高い関節痛改善剤を提供すること。【解決手段】有効成分として非変性プロテオグリカン及び非変性コラーゲンを3:10~7:10の質量比で含む、関節痛改善剤。【選択図】図7