Costco Tequila Lawsuit, Kirkland Signature Accused of Selling Fake “100% Agave” Tequila—It May Not Even Be Tequila at All
Costco faces a nationwide class action lawsuit alleging its Kirkland Signature tequila falsely advertises “100% Blue Weber agave” when it actually contains ethanol from non-agave sources like cane sugar or corn alcohol. Filed in U.S. District Court for the Southern District of Florida (Case No. 1:25-cv-25057), plaintiff Ariel Glazer claims customers paid premium prices—$18 to…









