Arrowhead Mills is the Number 1 supplier of certified organic foods in the United States. What does "organic" mean, and how is organic flour different from other processed flour? Take a visual tour and learn the answers. Watch as organic grains are received, sorted, cleaned, then ground into flour or processed into cereal. Examine the quality assurance processes, which Arrowhead Mill's more than 200 natural food products must undergo before they are packaged for retail merchandising. A supplement is included.