PROBLEM TO BE SOLVED: To provide a food or drink, a nocturnal blood pressure lowering agent, a pharmaceutical composition, a food additive and a supplement for lowering nocturnal blood pressure. SOLUTION: Foods and drinks for lowering nocturnal blood pressure, nocturnal blood pressure lowering agents, pharmaceutical compositions, food additives and supplements, including fermented products of jiuqu and grains. [Selection diagram] None【課題】夜間血圧を低下させるための飲食品、夜間血圧低下剤、医薬組成物、食品添加物及びサプリメントの提供。【解決手段】麹と穀物との発酵物を含む、夜間血圧を低下させるための飲食品、夜間血圧低下剤、医薬組成物、食品添加物及びサプリメント。【選択図】なし