PROBLEM TO BE SOLVED: To provide an active oxygen removing agent for stabilizing hydrogen molecule concentration by activating dissolved hydrogen molecules in water, or the like.SOLUTION: This invention relates to an active oxygen removing agent including water allowing coexistence of hydrogen molecules and hydrogen ions, or the like and a hypotensive agent containing water allowing coexistence of hydrogen molecules and hydrogen ions.COPYRIGHT: (C)2013,JPO&INPIT【課題】水中の溶存水素分子を活性化し、水素分子濃度を安定化する活性酸素除去剤等を提供する。【解決手段】水素分子および水素イオンを共存させた水を含むことを特徴とする活性酸素除去剤等。【選択図】なし