Guar gum is derived from the endosperm of the Guar or Cluster bean. It is a water-soluble, non-ionic thickener making it useful in a wide range of products Food Use Guar gum is a natural food thickener used in cooking and baking to bind, thicken and emulsify gluten-free ingredients. It has significantly more thickening ability than cornstarch. Guar gum is ideal for anyone looking for a thickener, emulsifier and firming agent in baked goods, jams and jellies, soups, salad dressings, sauces, syrups, juices and dairy products. Suggested usage rate ranges between 1/2 to 1 teaspoons per cup of flour