On the flour bags, you will find “May contain Soy, Mustard, Triticale, Rye, Barley, Oats” This is a list of grains and seeds the wheat could be cross-contaminated within the fields. Other Allergens, including Peanuts, Tree Nuts, Sesame Seeds, Dairy Products, Eggs, Fish and Crustaceans, are absent in ROGERS retail flours.