Besides its stunning look as a tropical plant, Arrowroot is used for a thickening agent and in gluten-free flour. Made from the root and turned into powder, this thickening agent can be used in everything from gravies to puddings. It withstands acids, so arrowroot is the best thickener to use with acidic ingredients like pie fillings, jellies, or other fruit dishes. Great for Chefs using unique dishes. Many of its health benefits are associated with its starch content, which may promote weight loss, treat diarrhea, and stimulate your immune system. In addition to its culinary and medicinal uses, arrowroot is used for cosmetic purposes.