JARROW FORMULAS PREBIOTICS XOS + GOS (90 CHEWABLE TABLETS)Vegetarian Gluten free Easy to Use Chewable Tablets Works at Both Low and High Levels of Intake Beneficial bacteria can be depleted by low fiber diets, high meat diets, antibiotic use, travel and stress. Jarrow Formulas Prebiotics XOS + GOS primarily supports the growth of beneficial bifidobacteria to support a healthy balance of microbes colonizing the gut, which may positively impact digestive and immune health.* PreticX (XOS: Xylooligosaccharides)