Injected insulin tells body tissues to take glucose out of the bloodstream and use it
Thats a mouthful, but the idea is simple: they work with your bodys natural signals to help you feel full, manage blood sugar, and slow digestion
The correct classification: Pure GLP-1 agonists: exenatide, liraglutide, lixisenatide, dulaglutide, semaglutide, efpeglenatide, orforglipron Dual GIP/GLP-1 agonists: tirzepatide Triple agonists (GIP/GLP-1/glucagon): retatrutide Retatrutide, approved in early 2026, adds glucagon receptor agonism to the dual GIP/GLP-1 mechanism
Another study in colonic-sensitized rat models demonstrated that exendin-4 treatment dose-dependently reduced visceral hypersensitivity by upregulating serotonin transporter (SERT) expression and downregulating tryptophan hydroxylase-1 (TPH-1) expression [57]
A new observational study found that people taking Ozempic and Wegovy appeared to experience suicidal thoughts at a higher rate than people on other drugs, though experts raised concerns about the methodology and the findings contradict what some other studies have found about the class of GLP-1 diabetes and obesity drugs