IncretinsDipeptidyl-Peptidase IV InhibitorsGastric Inhibitory PolypeptideGlucagon-Like Peptide 1Dipeptidyl Peptidase 4Receptors, GlucagonGlucagon-Like PeptidesGlucagonDiabetes Mellitus, Type 2Gastric BypassInsulinInsulin-Secreting CellsBlood GlucoseVenomsHypoglycemic AgentsPostprandial PeriodEnteroendocrine CellsReceptors, Gastrointestinal HormoneObesity, MorbidGlucose Tolerance TestGlucoseBariatric SurgeryAdamantaneDextrins