
Eli Lilly Warns of Counterfeit Mounjaro, Zepbound Risks from Impurities
Eli Lilly, maker of Mounjaro and Zepbound, has discovered critical impurities in counterfeit tirzepatide versions mixed with vitamin B12. These compounded drugs pose unknown risks due to chemical reactions and lack of FDA oversight. With one in eight Americans using GLP-1s, experts urge sticking to approved medications.







