The present invention relates to the field of powdered cereal compositions to be reconstituted in milk, infant formula or water. In particular, the present invention relates to powdered cereal compositions to be administered to infants or young children. The powdered cereal compositions may be used to strengthen the immune system and/or to treat or prevent inflammatory disorders. For example these benefits can be provided by probiotic micro-organisms. An embodiment of the present invention relates to a powdered cereal composition comprising non-replicating probiotic-micro-organisms, for example bioactive heat treated probiotic micro-organisms.