To ensure that our ingredients do not have any allergen contamination, we maintain a supplier guarantee program, ensuring all of our ingredient suppliers have
validated allergen control programs.
However, all of our co-packers have
allergen control programs which minimizes cross contamination and the packing lines used for our products are exclusively for rice and grains (allergen free lines).
King Arthur Flourâ $ ™ s certified gluten - free blends and mixes do not have any of the U.S. top 8 allergens added to them as ingredients (which includes peanuts and tree nuts), and are produced in a facility which has a
robust allergen control program in place.