Frontier Co-Op Cream Of Tartar, Powder Is Never Tested On Animals. This Product Is An Indispensable Ingredient In Baking And Acts As A Leavening Agent In Cakes, Quick Breads And Souffles When Combined With Baking Soda And Water. Frontier Co-Op Cream Of Tartar, Powder Also Aids In Stiffening Egg Whites By Adding Just A Pinch Of This Product While Beating. This Product Is Wine Cask Crystallized, Certified Kosher, And Non-Gmo. Frontier Co-Op Cream Of Tartar, Powder Is Packaged For Your Convenience In An Easy-To-Open Jar And Contains 3.52 Oz. Of Product.