Chicory root is one of the richest sources of inulin, a well-known prebiotic fiber. It can be found in certain coffee substitutes or as an added ingredient in some foods.
Also known as sunchokes, Jerusalem artichokes contain inulin, making them an excellent prebiotic food choice.
Garlic not only adds flavor to your dishes but also contains fructooligosaccharides (FOS), another type of prebiotic fiber.
Onions are rich in FOS, which supports the growth of beneficial gut bacteria.
Leeks, which belong to the same family as onions and garlic, are also a good source of prebiotics, especially inulin.
Unripe or slightly underripe bananas contain resistant starch, a type of prebiotic that supports gut health.
Asparagus is a source of inulin and can be beneficial for the gut microbiota.
Legumes like chickpeas, lentils, and beans contain prebiotic fibers, such as resistant starch and galactooligosaccharides (GOS).