Data continue to show that tirzepatide, called Mounjaro for type 2 diabetes and Zepbound for weight loss, is safe and effective, but side effects remain.
tirzepatide. Because of this, the drugs have similar side effects. Ozempic’s active ingredient is semaglutide. Zepbound, Mounjaro, and Ozempic each come as prefilled, single-dose injection pens.