The purpose of the present invention is to provide: a novel composition and solvent for promoting the production of bacteria belonging to the genus Faecalibacterium and a method for promoting the production of bacteria belonging to the genus Faecalibacterium. The present invention provides: a composition for promoting the production of bacteria belonging to the genus Faecalibacterium and a promoter for the production of bacteria belonging to the genus Faecalibacterium, the composition and the promoter containing cacao-derived Luminacoid. The present invention also provides a method for promoting the production of bacteria belonging to the genus Faecalibacterium, the method comprising administering an effective amount of cacao-derived Luminacoid.本發明之目的為提供用於促進柔嫩梭菌屬( Faecalibacterium)菌的產生之新穎的組成物及用劑以及柔嫩梭菌屬菌之產生促進方法。根據本發明,係提供用於促進柔嫩梭菌屬菌的產生之組成物及柔嫩梭菌屬菌之產生促進劑,其包含源自可可之消化管調和物質(luminacoid)而成。根據本發明,復提供柔嫩梭菌屬菌之產生促進方法,其包含攝取有效量的源自可可之消化管調和物質。無