The object of the present invention is, in addition to natural products such as nobiletin, which are possessed by the prior art, are also effective against urinary disorders, and are safe, and ingredients derived from natural products that can easily obtain a large amount of raw materials. Another object of the present invention is to provide a composition for improving dysuria, which comprises: The above-mentioned object is solved by a composition for improving dysuria, which contains a Rumex japonicus extract as an active ingredient.本発明の目的は、従来技術が有する、ノビレチン等の天然物以外にも、同様に排尿障害に効果的であり、且つ安全で、安易に原料を大量に入手することができる天然物由来の成分を含む排尿障害改善用組成物を提供することにある。上記目的は、ギシギシ抽出物を有効成分として含有する、排尿障害改善用組成物により解決される。
