Naturally Occurring FOS from Chicory RootPrebiotic Soluble Fiber for Digestive HealthFOS from Chicory Root with Chicoric AcidInulin Powder Made with Delicious SweetenerScience Backed Quality Science 1969VeganInulin powder is a soluble fiber and fructo-oligosaccharide (FOS) that functions as a prebiotic to promote digestive health by stimulating beneficial bacteria in the gut. Chicory-derived Inulin powder from Swanson is suitable for adding to many of your favorite foods as a thickening agent and sweetener. The possibilities are endless and the benefits are great.