Introduction to GLP-1 GLP-1, or glucagon-like peptide-1, is a prominent incretin hormone pivotal for regulating various physiological functions. Originating as a proglucagon gene product, GLP-1 is synthesized predominantly in the intestinal L-cells and the neurons of the nucleus tractus solitarius in the brainstem. Chemically, GLP-1 is a peptide hormone composed of 30 or 31 amino … Continue reading An In-Depth Overview of GLP-1: Functions and Impact on the Body