GCG and type 2 diabetes mellitus: The regulation of GLP-1 secretion both in humans [44] and at the cellular level [45] has been studied but, except for the finding that ingestion of whey protein as a preload 30 min before a meal augments the GLP-1 response, with clinical benefits for type 2 diabetes [46], it has been difficult to translate the knowledge gained into clinically relevant formulations.