Eli Lilly, the maker of blockbuster weight loss and diabetes drugs Zepbound and Mounjaro, said it will invest an additional $27 billion to build four new manufacturing plants in the United States, shoring up domestic manufacturing as President Donald Trump threatens new tariffs on pharmaceuticals.

Pharmaceutical giant Eli Lilly is once again expanding the supply of its weight-loss drug Zepbound and cutting the cost for patients that don't have insurance.

Key Takeaways Eli Lilly lowered the price of two dosage levels of its weight-loss drug Zepbound for patients paying out of pocket.The company also launched new 7.5-mg and 10-mg single-use vials, which cost $499 when refilled every 45 days through Eli Lilly's new "Zepbound Self Pay Journey Program.