PROBLEM TO BE SOLVED: To provide a new drug containing a naturally derived component having prophylactic or therapeutic effect for osteoporosis.SOLUTION: There is provided a prophylactic or therapeutic drug for osteoporosis, and health food including KEIKETTOU (a gelenical from genus Milettia vine) as an effective ingredient.COPYRIGHT: (C)2012,JPO&INPIT【課題】骨粗鬆症に予防・治療効果を有する天然由来の成分を含む新たな薬剤を提供する。【解決手段】鶏血藤を有効成分とする骨粗鬆症予防・治療剤、及び骨粗鬆症用健康食品。【選択図】なし