Inulin is a type of soluble fiber found in many plants, particularly in roots and tubers like chicory and garlic. It is classified as a fructan, which means it is made up of chains of fructose molecules. Inulin is not digested in the stomach, allowing it to reach the intestines where it can promote the growth of beneficial bacteria. In addition to its role as a prebiotic, inulin is often used as a food additive to improve texture and sweetness without adding calories. It can also help with digestive health and may assist in regulating blood sugar levels, making it a popular choice in health foods and dietary supplements.