The market for probiotics is exploding, yet different probiotic supplements may have different levels of beneficial bacteria and different quantities of live bacteria overall. Consuming prebiotic foods, such as fermentable fiber, which provide nourishment for the beneficial bacteria already present in your body, is thus likely to be more helpful than the addition of bacteria from an external source. The consumption of foods such as dried beans and other types of legumes, asparagus, garlic, leeks, onions, certain types of artichokes, cold-boiled potatoes, green bananas, and wheat are all excellent dietary sources of prebiotics. In addition, there are prebiotic pills that one may take.