GCG and type 2 diabetes mellitus: It has been reported that consuming fish/meat before rice enhances GLP‐1 secretion compared with consuming rice before fish/meat in both healthy subjects and in patients with T2DM which leads to amelioration of postprandial glucose excursion.55 Similarly, a whey preload or protein drink before a meal resulted in increased insulin and GLP‐1 secretion, and decreased gastric emptying, in patients with T2DM.56, 57 These results suggest that eating carbohydrates later in a meal after protein might be a good strategy to enhance secretion of GLP‐1 and in regulating postprandial glucose.