In this comprehensive guide, well compare Zepbound vs Wegovy , examining their mechanisms of action, clinical trial results, effectiveness, side effects, and help you understand which medication might be the best fit for your weight loss journey
Ishikawa S, Shimano M, Watarai M, Koyasu M, Uchikawa T, Ishii H, et al
It comes in two FDA-approved forms, both weekly injections: Mounjaro: type 2 diabetes (2.5 to 15 mg) Zepbound: obesity (2.5 to 15 mg) and moderate-to-severe obstructive sleep apnea in adults with obesity (approved December 2024) No oral tirzepatide exists as of April 2026
A steady rate of weight loss preserves more lean tissue than rapid weight loss
The ozempic segment dominated the market in 2025 with 32.15% share
Plus, youre less likely to notice any minor side effects like dizziness or fatigue when youre sleeping