The reason people keep repeating those numbers is that they capture the broad direction of the field: semaglutide opened the modern era tirzepatide pushed the ceiling higher retatrutide is the investigational candidate trying to push it higher again But those percentages are not all drawn from one perfect apples-to-apples trial series
That works while a regimen is simple, but as titration choices, side-effect patterns, and lifestyle goals multiply, the familiar approach creates friction: missed doses, unclear injection-site records, and lost context around why a patient paused escalation
Diabetes 18, 1928
Additionally, many people regain the weight lost after stopping these medications, according to a 2022 study
Organic anion-transporting polypeptides (OATPs, gene symbol SLCO) actively transport MPAG from the circulation into hepatocytes (Picard et al., 2010)
Diabetes, Obesity & Metabolism, 25(1), 317