Research has just discovered that certain products that are labelled gluten-free still contain gluten. Learn more from a doctor and author. Reference: “Comprehensive analysis of gluten in processed foods using a new extraction method and a competitive ELISA based on the R5 antibody” Talanta, 91 (March 15, 2012) 33-40, M C Mena, M Lombardia, A Hernando, E Mendez, J P Albar.