Golden Finance reported that Musk revealed on social media platform X on Wednesday that he is using Eli Lilly and Company's Mounjaro to lose weight. Musk posted a photo on X of himself dressed as Santa Claus, standing next to a Christmas tree, with the caption "Ozempic Santa Claus." He later confirmed in multiple posts that he was indeed using drugs like Ozempic to lose weight. "Technically, I use Mounjaro, but the name doesn't sound that interesting," he explained. Ozempic, a diabetes drug owned by Novo Nordisk, and Wegovy, the company's weight loss drug, have the same active ingredient. , namely Semaglutide. Mounjaro is a diabetes drug launched by Eli Lilly. Its active ingredient is the same as the company's weight loss drug Zepbound, namely Tirzepatide. Musk revealed that he initially tried Ozempic to lose weight because high doses of the drug caused him to "fart and burp like Barney from The Simpsons." "Mounjaro seems to have fewer side effects and better results," he added.