For instance, compared with 20 g whey protein consumed with a high-fat meal, pre-meal protein intake (20 g whey protein) before a fat-rich meal increases hormone secretion (insulin, glucagon, and GIP) and delays gastric emptying, but does not influence lipid or glucose responses, in individuals with and without type 2 diabetes [136]. This evidence concerns the gene INS and type 2 diabetes mellitus.