Protein had its moment on TikTok, but now fiber seems to be stealing the spotlight. Of course, both are part of a well-balanced diet.  As such, “fiber training” has become the new social media trend. Here’s what fiber training is, as well as some easy ways to get more fiber in your diet. Videos by VICE Fiber training is the gradual inclusion of fiber into your diet. Since too much fiber, or the new introduction of it, can lead to digestive distress, it’s important to add it at a tolerable rate. “Fiber training refers to the strategy of slowly adapting your body to a higher fiber intake,” says Avery Zenker , MAN, RD at MyCrohnsandColitisTeam. “The foods we eat also feed our gut microbiome. Bacteria that thrive on the types of foods we eat survive, and bacteria that prefer the foods that we don’t eat don’t survive as well.…