The present invention relates to synergistic compositions comprising mixtures of fermentable fibers. The present invention specifically relates to composition comprising inulin and arabinoxylan for use in reducing, preventing and/or treating inflammation, wherein said arabinoxylan is partially hydrolyzed arabinoxylan and wherein the ratio of said inulin to said arabinoxylan and/or partially hydrolyzed arabinoxylan is between 65%/35% by weight and 90%/10% by weight.
