The following vitamins and supplements can also nourish your gut with the nutrients it needs for optimal function. The first thing your gut needs is fiber! Without adequate fiber in the diet your gut motility can suffer and you can end up with sluggish, uncomfortable digestion or difficulties going to the bathroom. Additionally, fiber, specifically prebiotic fiber, is a main food source of the important microbiome, which we’ll discuss in more detail below. Adults are recommended to get between 25 and 30 grams of fiber every day, though historically...