Peptides Semaglutide is a glucagon-like peptide 1 (GLP-1) receptor agonist. What is GLP-1? GLP-1, or glucagon-like peptide-1, is a hormone that naturally producing in the body. It mainly produce in the gut. GLP-1 plays a crucial role in regulating blood sugar levels and appetite. In consuming food, GLP-1releasing into the blood, and it has several effects on the body. Stimulates …