Editorial cover card: GLP-1, GLP-2 and the GLP-3 naming problem
Research Peptides

GLP-1, GLP-2, GLP-3: A Research Comparison of Glucagon-Like Peptides

GLP-1 and GLP-2 are real hormones from the same proglucagon precursor with different roles. GLP-3 is not a hormone at all, but a nickname for retatrutide. A research-focused comparison.