Gut Works is our advanced formula of clinically studied live and friendly bacteria (aka 'probiotics') and prebiotics for complete gut health, relieving IBS and providing daily support for your digestion, brain and immune health. Combining Inulin with 6 optimal biotic strains with 50 billion CFU, including Acidophilus, Bifidobacterium, Streptococcus and Psyllium, Gut Works takes care of your gut every day.