The invention relates to the use of branched maltodextrins for inducing lysis of the cell walls of eukaryotic organisms having a polysaccharide wall in the lumen of the intestine of an omnivorous or carnivorous animal comprising an intestinal flora and also for synergistically increasing the effect of the branched maltodextrins in the induction of the growth of the intestinal flora of an omnivorous or carnivorous animal. The invention also relates to the composition intended for this use and to a method for improving health or for food supplementation.
