King Arthur Gluten Free Measure for Measure Flour:
ingredients: rice flour, whole grain brown rice flour, whole sorghum flour, tapioca starch, potato starch, Cellulose, Xanathan gum, vitamin and mineral blend (calcium carbonate, niacinamide (vitamin B3), reduced iron, thiamin hydrochloride (vitamin B1), riboflavin, (vitamin B2), Distributed by the king arthur flour company
Michael Cabasso 
Eli A 
Eileen Missry