MEMPHIS, Tenn. — Keystone Laboratories has repeatedly failed to correct deficiencies cited by the FDA, including adulteration and misbranding of its over-the-counter drugs, the United States claims in a federal complaint .
Subscribe to our free newsletters
Our weekly newsletter Closing Arguments offers the latest about ongoing trials, major litigation and rulings in courthouses around the U.S. and the world, while the monthly Under the Lights dishes the legal dirt from Hollywood, sports, Big Tech and the arts.

