PROBLEM TO BE SOLVED: To provide a liquid containing bubbles, useful for preventing or improving diabetes, particularly, inhibiting postprandial hyperglycemia or fasting hyperglycemia.SOLUTION: The present invention provides a liquid containing bubbles, for preventing or improving diabetes, containing bubbles with an average diameter of 500 nm or less.SELECTED DRAWING: NoneCOPYRIGHT: (C)2019,JPO&INPIT【課題】糖尿病の予防又は改善、特に食後高血糖の抑制又は空腹時高血糖の抑制に有用な気泡含有液状物を提供する。【解決手段】本発明は、平均径が500nm以下の気泡を含有する、糖尿病予防又は改善用気泡含有液状物である。【選択図】なし