Agent for promoting glucagon-like peptide 1 secretion, food or drink for promoting glucagon-like peptide 1 secretion, agent for inhibiting postprandial increase in blood sugar level and food or drink for inhibiting postprandial increase in blood sugar level

摘要

The invention relates to a GLP-1 secretagogue and an inhibitor of postprandial rise in blood glucose, containing º-casein as an active ingredient, and a food or drink for promoting GLP-1 secretion and an inhibitory food or drink of postprandial rise in blood glucose, containing a milk-derived casein protein wherein º-casein accounts for 60% by mass or more of the milk-derived casein.