Former FDA Toxicologist Claims Agency Authorized Zyn Without Verifying Pouch Materials
By Matthew Chapman and Kathryn Kranhold — The Examination · STAT News · 2026-07-14

As reported by STAT News, a former scientist within the FDA’s Center for Tobacco Products argues the agency failed to investigate the chemical composition of Zyn nicotine pouches before granting market approval. Toxicologist Christy Leppanen alleges that internal concerns regardi
As reported by STAT News, a former scientist within the FDA’s Center for Tobacco Products argues the agency failed to investigate the chemical composition of Zyn nicotine pouches before granting market approval. Toxicologist Christy Leppanen alleges that internal concerns regardi