Core Viewpoint - Eli Lilly has experienced significant growth driven by its weight loss drug portfolio, with stock prices increasing over 170% in three years [1][2]. Company Overview - Eli Lilly's weight loss drugs, tirzepatide (Zepbound and Mounjaro), generated over $16 billion in revenue last year [2]. - The company has a diverse portfolio of drugs targeting various indications, reducing reliance on a single treatment area [3]. Market Potential - The weight loss drug market is projected to grow from approximately $28 billion today to nearly $100 billion in five years [7]. - Eli Lilly is developing two additional candidates that may outperform current options, indicating further growth potential [7][10]. Product Development - Tirzepatide is currently administered as a weekly injectable, but Lilly is working on a pill form (orforglipron) that has shown strong efficacy and safety [10][11]. - Another candidate, retatrutide, is in phase 3 trials and targets three hormonal pathways, suggesting it may be more effective than existing drugs [11]. Manufacturing Investment - Eli Lilly has made a significant commitment to manufacturing, investing over $50 billion in the U.S. over the past five years to support its growth [12]. Competitive Landscape - Despite potential challenges such as reimbursement issues and pricing pressures, Lilly is positioned to lead in innovation within the weight loss drug market [14]. - Orforglipron would be the only weight loss drug in pill form without strict food and water guidelines, enhancing its market appeal [14]. Valuation and Investment Outlook - The stock trades at 37 times forward earnings estimates, down from nearly 43 times, reflecting a premium valuation due to its growth prospects [15]. - Eli Lilly offers a combination of strong growth potential and the stability typical of large pharmaceutical companies, making it an attractive investment opportunity [16].