U.S. Gluten Free Products and Products Not Containing Gluten ... Web30.11.2022 · Some people suffer from an intolerance to foods containing gluten, which is a type of protein found in wheat, rye and barley. Frito-Lay has validated through analytical testing that the following products contain less than 20 ppm of gluten, the level put forward in the FDA’s Gluten Free Food Labeling Final Rule.