Disclosed are: a composition for forming a complex a complex formed therefrom and a composition for oral ingestion, containing the same. The disclosed composition for forming a complex contains a cellulose-based compound, a polyphenolic compound, a gelling agent and a solvent.La présente invention concerne : une composition permettant de former un complexe un complexe formé à partir de celle-ci et une composition pour une ingestion par voie orale contenant celui-ci. La composition de linvention permettant de former un complexe contient un composé à base de cellulose, un composé polyphénolique, un agent gélifiant et un solvant.복합체 형성용 조성물, 이로부터 형성된 복합체 및 이를 포함하는 경구 섭취용 조성물이 개시된다. 개시된 복합체 형성용 조성물은 셀룰로오스계 화합물, 폴리페놀계 화합물, 겔화제 및 용매를 포함한다.