This LGUT mastery formula helps improve gastrointestinal permeability which can severly impact our immune function and inflammation. This is a defense against intestinal permeability by providing specific botanical and nutritional ingredients shown to decrease intestinal permeability. The FDA has not approved these statements and you are taking this formula between meals at your own risk to help close the large gaps that pathogens can make in our intestinal walls. This works well with Fiber, FBR and probiotics Mbc or ABC. This can be added to other gut herbal programs for faster results. Contains alanylgutamine, lions mane mushroom, goldenseal root, genistein, black radish, fructooligosaccharide, licorice root, mangosteen, aloe concentrate, rhubarb, sea salt and more.