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.

Eli Lilly & Co. said Tuesday it’s cutting the price of single-dose vials of its Zepbound treatment for diabetes and obesity for patients who have to pay for the drug themselves. It said it will also be adding two new doses,

Eli Lilly (LLY), the maker of the blockbuster weight-loss drug Zepbound, launched a new advertising campaign on Friday warning patients about off-brand versions of its treatments, saying “they put people at risk.