Prebiotic FiberThis Prebiotic Fiber has 2 unique forms of resistant starch: organic green banana flour and organic potato starch powder. Resistant starch prebiotic fibers cannot be broken down by your digestive tract, and thus serves as excellent fuel for the healthy bacteria in your colon. It also has the prebiotic called Arabinogalactan from the Larch tree that helps the good bacteria in your microbiome produce healthy postbiotics called short chain fatty acids