LAXATIVE AGENT

摘要

Disclosed is a laxative agent comprising a magnesium oxide particle as an active ingredient, which is excellent in the effect of protecting a mucous membrane in a digestive organ. Specifically disclosed is a laxative agent comprising a composite magnesium oxide particle represented by the formula (1) as an active ingredient. (Mg2+)1-x(Zn2+)xO (1) wherein x represents a numeral ranging from 0.0001 to 0.3.