Technical problemA problem of the present invention is, in one aspect, to provide a capsule formulation including an active ingredient and the like that may deteriorate upon contacting an acid, wherein the capsule formulation makes it possible not to deteriorate the active ingredient and the like by a gastric acid which enters into a capsule film.Technical solutionA capsule formulation comprising an active ingredient and oil, wherein said capsule of said formulation is an enteric capsule comprising a water soluble film forming polymer and gellan gum said oil is an oil acceptable for pharmaceuticals or foods and said active ingredient is encapsulated in said capsule together with said oil, and the production method thereof, are provided.
