Bifidobacterium or fiber protect against deterioration of the inner colonic mucus layer
(University of Gothenburg) If you are concerned about your health, you should also think about what your gut bacteria consume. Dietary fiber is a key source for their nutrition. Thus the quantity of fiber in your diet influences your weight, blood glucose level and sensitivty to insulin is well-established. The latest research from Sahlgrenska Academy shows that colonic health is also affected.