Question: what ingredients are not gluten free?
Answer: Avoid foods that list gluten-containing ingredients such as ale, barley, beer, bleached flour, bran, bread flour, brewer's yeast, brown flour, brown rice syrup (unless the food is labeled gluten free), bulgur, couscous, dextrin (unless the source is gluten-free), durum, farina, farro, hydrolyzed vegetable (wheat) ...