Certified gluten-free. Cream of Tartar can be used to give a creamier texture to sweets like candy and frosting and to stabilize and increase the volume of beaten egg whites. www.spicely.com. 0.25% of sales go to charities to help children without homes. No gluten. No MSG. No artificial coloring. No preservatives. No sugar. No salt. Non GMO. No irradiation.