Peptidic GLP-1R agonists have received significant media coverage over the past year. Shortages of the semaglutide-based injectable diabetes medication Ozempic, which accounts for 40% of GLP-1R agonist US market share, have even emerged, driven by overwhelming demand for the weight loss formulation Wegovy, both for treatment of obesity and for short-term weight loss popularized by celebrities on social media. This article reviews the science of danuglipron and what makes it different.