PROBLEM TO BE SOLVED: To provide an oral composition containing charcoal.SOLUTION: An oral composition for muscle enhancement has charcoal and at least one material selected from a group consisting of 3-hydroxy-3-methylbutyric acid, creatine, an amino acid and a peptide.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】炭を含有する経口組成物の提供。【解決手段】炭並びに、3-ヒドロキシ-3-メチル酪酸、クレアチン、アミノ酸及びペプチドからなる群より選ばれる少なくとも1種の他素材を含むことを特徴とする筋肉増強用経口組成物。【選択図】図1