Fiber-Rich Foods to Help with Good Gut Bacteria

3. Onions

Amount of fructan: 9 grams per cup

Try this: Whip up a fresh fruit salsa with chopped onions, mango, lime juice and cilantro.

4. Raspberries

Stacked from 22 images. Method=B (R=8,S=4)

Amount of fructan: 6 grams per cup

Try this: Top your morning cereal or yogurt with a handful of fresh raspberries or whir them into a smoothie.