Make arrowhead mills organic gluten free buckwheat flour a staple in your pantry. All organic buckwheat flour is a versatile and gluten-free ingredient. Each serving of our flour gives you 3 g. Of protein, 4 g. Of fiber and 30 g. Of whole grains. It’s verified non-gmo and certified organic by the usda. Includes one 22 oz. Bag of arrowhead mills organic gluten free buckwheat flour. As arrowhead mills has grown, our brand and our product line have grown with us. Over the years, we’ve added hot and cold cereals, as well as delicious pancake, waffle, cake and brownie mixes; nut butters; seasonal products; and gluten-free products—all of which taste great, are all-natural and are entirely free of chemical pesticides and herbicides.