Incorporation of the recommended dose through food intake is difficult on a daily basis as you end up having a heavy meal. Banana, whole wheat flour, sweet potato, Jerusalem artichoke, garlic, chicory root powder, asparagus, and onion are a few of the prebiotic fiber-rich food sources (5).  These foods can be eaten on a regular basis. However, large portions of these foods need to be consumed to experience noteworthy beneficial effects on gut health.