As with fiber, you need to eat the prebiotics and have prebiotic-eating bugs to benefit. Those carrying starch scarfers like Ruminococcus can ferment nearly all the resistant starch they eat, whereas those who don’t are only able to take advantage of 20 to 30 percent.7542 How do you foster the growth of more of these good bugs? Eat more foods containing resistant starch! Within just ten days of being randomized to a diet high in resistant starch, the abundance of starch eaters like Ruminococcus can be quadrupled.

