Prebiotic Bifido Boost™ Powder is an advanced prebiotic formula that feeds and encourages the growth of probiotic Bifidobacteria in the gut, helping to support a healthy balance of gut microflora.* This product features PreticX™, a unique xylooligosaccharide (XOS) prebiotic ingredient that nourishes existing probiotic bacteria, favorably changing gut microflora composition to promote healthy, balanced immune system function, regularity and intestinal comfort.*