While it can happen with the injectable form too, it's much less common (2% compared to placebo)
Does tirzepatide cause muscle loss that leads to weight gain
These preclinical findings further implicate glucagon activation as the distinguishing factor between incretin receptor mono-, dual-, and triagonists, and they point to unimolecular polypharmacology as an efficient way to target several mechanisms causing obesity
Richard Lipman, MD Board-Certified Internist and Endocrinologist Medically reviewed and updated for 2026 Dr
Richard Frank, MD, MHSA, Chief Medical Officer at Vida Health, spoke to Medical News Today about how orforglipron may expand access to GLP-1s: The choice between a pill and an injectable comes down to patient preference and potency. The injectables are clearly more potent but require a weekly injection