Inulin is a starchy substance found in a wide variety of fruits, vegetables, and herbs, including wheat, onions, bananas, leeks, artichokes, and asparagus. The inulin that is used for medicine is most commonly obtained by soaking chicory roots in hot water.
Inulins are a group of naturally occurring polysaccharides produced by many types of plants, industrially most often extracted from chicory. The inulins belong to a class of dietary fibers known as fructans. Inulin is used by some plants as a means of storing energy and is typically found in roots or rhizomes.
Inulin is a type of dietary fiber. Research has linked it to several health benefits, such as improving digestive health, helping control diabetes, and aiding weight loss. Inulin is a dietary fiber that may benefit gut health. Plants naturally contain inulin, and some manufacturers add it to processed foods.