FDA enforces rule saying the claim can only be used for foods containing less than 20 parts per million of gluten Starting Tuesday, the label “gluten free” will actually mean “gluten free.” Before Aug. 5, there were no standards or regulations governing the use of gluten-free claims placed on packaged foods. As of Tuesday, however, the Food and Drug Administration determined that the claim can only be used for foods containing less than 20 parts per million of gluten.(Time) Read more…