Problem to be solved: to provide a composition containing a hydrogen generating material having a hydrogen generating material composition capable of generating sufficient amount of hydrogen under the demand, and easy to handle, and adjusting the function of the organism, and having the function of maintaining health and health.Solution: a hydrogen generating material containing composition comprising a hydrogen generating material and a functional food material other than hydrogen generating material and having a water activity (AW) of 0.15 or less is provided. It also provides a method of producing a hydrogen generating material containing composition comprising a drying step for drying a raw material containing a functional food material other than a hydrogen generating material and a mixing step for mixing the dried raw material with the hydrogen generating material to obtain a mixture of water activity (AW) of 0.15 or less .Diagram【課題】需要者の下で十分量の水素を発生させることができるとともに、取り扱いのしやすい水素発生素材含有組成物であって、かつ生体機能を調節し、健康維持や健康回復効果の働きをもつ水素発生素材含有組成物を提供する。【解決手段】水素発生素材と、水素発生素材以外の機能性食品素材とを含み、水分活性(Aw)が0.15以下であることを特徴とする水素発生素材含有組成物を提供する。また、水素発生素材以外の機能性食品素材を含む原料を乾燥させる乾燥工程と、前記乾燥させた原料と水素発生素材とを混合して水分活性(Aw)が0.15以下の混合物を得る混合工程とを含むことを特徴とする水素発生素材含有組成物の製造方法を提供する。【選択図】図3
