Yahoo Finance·2026-02-06 19:35Market Overview - Eli Lilly and Novo Nordisk are leading the weight loss drug market, which is projected to reach nearly $100 billion by 2030 due to soaring demand [1] - The market has experienced product shortages at times, indicating strong consumer interest and demand [1] Product Launches - Novo Nordisk was the first to market with semaglutide, branded as Ozempic for type 2 diabetes and Wegovy for weight loss, with approvals in 2017 and 2021 respectively [2][4] - Eli Lilly entered the market later with tirzepatide, marketed as Mounjaro for type 2 diabetes and Zepbound for weight loss, receiving approvals in 2022 and 2023 [5] Competitive Dynamics - Despite the challenges of entering a market with established products, Eli Lilly has successfully gained market share due to strong demand and strategic manufacturing investments [5] - A head-to-head study indicated that Zepbound may be more effective than Wegovy, with Zepbound achieving over 20% average weight loss compared to over 13% for Wegovy after 72 weeks [6] Market Share Trends - As of May 2024, Eli Lilly began to gain market share in the U.S. incretin analog market, while Novo Nordisk started to lose share [7] - Currently, Eli Lilly holds over 60% of the market share, compared to approximately 39% for Novo Nordisk, indicating a significant shift in competitive positioning [7]