PROBLEM TO BE SOLVED: To provide means that improves functional dyspepsia safely and conveniently by oral ingestion and the like.SOLUTION: The present invention provides a functional dyspepsia improver comprising Bacillus subtilis, particularly a Bacillus subtilis C-3102 strain or a culture thereof as an active ingredient, and a tablet comprising the functional dyspepsia improver and a pharmacologically acceptable carrier.SELECTED DRAWING: None【課題】 経口摂取等により、安全かつ簡便に機能性胃腸症を改善する手段を提供すること。【解決手段】 バチルス・ズブチリス、特にバチルス・ズブチリスC-3102株またはその培養物を有効成分とする機能性胃腸症改善剤、及び機能性胃腸症改善剤と薬理学的に許容しうる担体を含む錠剤。【選択図】なし