PROBLEM TO BE SOLVED: To elongate the service life of the concentration of the dissolved hydrogen molecules of hydrogen molecule-containing water.SOLUTION: A method for producing hydrogen molecule-dissolved water in which the concentration of dissolved hydrogen molecules is 0.8 ppm or higher is characterized in that a dissolved hydrogen molecule stabilizer made of saccharide and/or polyphenol is mutually acted with hydrogen molecule-containing electrolytic reduction water.COPYRIGHT: (C)2015,JPO&INPIT【課題】水素分子含有水の溶存水素分子濃度の寿命を延長する。【解決手段】糖類及び/又はポリフェノールからなる溶存水素分子安定化剤と水素分子を含有する電解還元水とを相互作用させることを特徴とする溶存水素分子濃度が0.8ppm以上である水素分子溶存水の製造方法。【選択図】 なし