retatrutide glucagon receptor vs Semaglutide: Triple vs Single Agonist Comparison - Which Is Better? | PPW Retatrutide – What is Reta?
Description
Primary site of GLP-1 secretion are L-cells in small intestine and colon, but it is also secreted by the pancreatic cells and neurons in nucleus tractus solitarus in the brainstem

But unlike the naturally occurring version, which breaks down within a couple of minutes, lab-made GLP-1s are engineered to remain active for up to a week

For a complete guide on the reverse transition, see our detailed switching from tirzepatide to semaglutide article

