A broad spectrum of fermentable fibers from different food sources should be consumed to feed gut bacteria.

“But what were finding is that the diversity, the different types of complex carbohydrate that are found in dietary fiber are important.”

“the best way to increase the microbial diversity in the gut is by eating a wide variety of fermentable fiber types this can be accomplished by eating a diverse array of vegetables and fruits because they contain various different prebiotics that feed different types of microbial species”