Save on Frontier Herb 1X 3.52 Oz Cream Of TartarCream Of Tartar Powder (Potassium Hydrogen Tartrate) Or Tartaric Acid, Is An Effervescent Acid Obtained As A By-Product Of Wine Making. The Acidic Powder Is Used For Culinary And Other Household Purposes, Among Them: Stabilizing Egg Whites.: (Note: This Product Description Is Informational Only. Always Check The Actual Product Label In Your Possession For The Most Accurate Ingredient Information Before Use. For Any Health Or Dietary Related Matter Always Consult Your Doctor Before Use.)