International Journal of Molecular Sciences, 25(8), 4346
This comparison breaks down what each does, how they differ, and why their combination (CagriSema) may represent the next leap in obesity pharmacotherapy
However, it is crucial to understand that Semaglutide GLP-1 is not a standalone weight loss solution
GLP-1R activation triggers: Glucose-dependent insulin secretion from -cells (does not cause insulin release at normal glucose concentrations the basis for low hypoglycemia risk) Glucagon suppression from pancreatic -cells, reducing hepatic glucose output Delayed gastric emptying, smoothing postprandial glucose excursions Hypothalamic appetite suppression via arcuate nucleus GLP-1R signaling, reducing meal frequency and energy intake Direct cardiac effects including reduced ischemia-reperfusion injury (emerging research area) Renal protective effects via GLP-1R on kidney tubular cells Semaglutide's Research Profile Semaglutide provides the cleanest GLP-1-only research signal of the three compounds any observed effect can be attributed specifically to GLP-1R activation
doi:10.1053/j.gastro.2007.03.054 Adams TD, Davidson LE, Litwin SE, et al