PROBLEM TO BE SOLVED: To provide a composition eliminating harmful substances and waste materials generated and accumulated in a living body simply and also in a short time from the living body.SOLUTION: This composition for oral administration contains activated charcoal, a water-swellable substance having &ge45% swelling rate and a large intestine-stimulating laxative, and preferably the composition for oral administration obtained by attaching the water-swellable substance on the surface of the activated charcoal is provided.COPYRIGHT: (C)2010,JPO&INPIT【課題】本発明は、生体内において蓄積、発生する有害物質や老廃物を、簡便かつ短時間で生体内から排除できる組成物を提供することを目的とする。【解決手段】活性炭、膨潤率45%以上の水膨潤性物質及び大腸刺激性下剤を含有する経口用組成物。【選択図】なし