Now you can get the benefits of Functional Fiber in a tasty and nutritious bar. High in Omega-3 Fatty Acids and Beta-glucans, the Microbiome Bar is a delicious way to get more prebiotic fiber. MULTIPLE PREBIOTICS FEED YOUR PROBIOTICS. Your microbiome is made of the 100 trillion microbes living in your digestive tract. These 1,000 species of good probiotic bacteria are fueled by prebiotic plant fibers. 70% of your immune system is here. Get your daily amount of the 4 prebiotics from ProBiotein AXOS, FOS, MOS, XOS + Omega-3 Fatty Acids + Beta-glucans to fuel your microbiome. The 4 PREBIOTIC FIBERS (oligosaccharides) in ProBiotein are: 1. AXOS Arabino-Xylo Oligosaccharide 2, FOS Fructo Oligosaccharide 3, MOS Mannan Oligosaccharide 4. XOS Xylo Oligosaccharide ProBiotein also provides you with Beta-glucans that come from oats and Omega-3 that comes from flax. Our wholesome ingredients make the MicroBiome Bar a tasty choice when you're on the go!