PROBLEM TO BE SOLVED: To provide an animal-derived muscle increasing agent which can effectively increase muscle while preventing increase in visceral fat.SOLUTION: The muscle increasing agent is produced by drying ostrich meat, and is orally taken with another food material.SELECTED DRAWING: None【課題】内臓脂肪の増加を抑制しつつ筋肉を効果的に増加させることができる動物由来の筋肉増加剤を提供する。【解決手段】ダチョウ肉を乾燥して製造され、他の食材と共に経口摂取される。【選択図】なし