"You probably don’t have a lot of jicama, Jerusalem artichoke, or chicory root—but those are the best sources of prebiotics, a type of food that helps support probiotics, aiding digestion as well as overall health.
Prebiotics are fibrous foods that aren’t broken down in the gastrointestinal tract. Instead, it’s fermented by your stomach’s gastrointestinal flora, supporting the growth of those good bacteria, known as probiotics."
Are You Eating Enough Prebiotics? — Colloids For Life Blog