The present invention relates to a non-fermented composition having the ability to increase the formation of butyric acid in the colon and comprising at least one cereal based fraction and at least one isolated probiotic strain of Lactobacillus as well as the use of said non-fermented composition as a synbiotic and for treatment of the metabolic syndrome, ulcerative colitis, Crohns disease, Irritable bowel syndrome (IBS), or Inflammatory bowel disease (IBD). The non-fermented composition of the invention is useful for the maintainance of a healthy gut-mucosa and/or for the provision of an increased barrier function of the gut-mucosa.
