PROBLEM TO BE SOLVED: To provide creatine with good water dispersibility and to provide it in a dosage form which has been difficult to provide by the prior art, that is, in the form of a beverage and a powdered beverage, so that it can be used as a supplement. Provided is a highly convenient water-dispersible creatine-containing powdery composition and a method for producing the same. SOLUTION: A creatine-containing water-dispersible powdery composition containing 0.1 to 10 parts by weight of an emulsifier with respect to 100 parts by mass of creatine, and a part or all of the surface of creatine is coated with the emulsifier. [Selection diagram] None【課題】クレアチンの水分散性が良好であり、また従来技術では提供することが困難であった剤形、すなわち、飲料及び粉末飲料の形態で提供することができるため、サプリメントとして利用する際の利便性が高い、クレアチン含有水分散性粉末状組成物及びその製造方法を提供する。【解決手段】クレアチン100質量部に対し、乳化剤0.1~10重量部を含み、クレアチンの表面の一部又は全部を前記乳化剤で被覆してなるクレアチン含有水分散性粉末状組成物。【選択図】なし