GCG and metabolic syndrome: This type of pharmacology is exemplified in purposefully integrated, dual agonism at amylin and calcitonin, GLP-1 and glucagon, or with gastric inhibitory peptide (GIP), and triple agonism at GLP-1, glucagon and GIP in treatment of the metabolic syndrome [26,27,28,29,30,31,32,33,34,35].