Many stars have weighed in on injectables like Ozempic, Mounjaro and Wegovy. And with the stigma shifting, Rosie O'Donnell, Meghan Trainor, Scott Disick and others are proclaiming their benefits.

People taking Eli Lilly’s obesity drug, Zepbound, lost nearly 50% more weight than those using rival Novo Nordisk’s Wegovy.