A probiotic composition comprising a Bifidobacterium strain which has DNA sequence homology of greater than 40% to Bifidobacterium GC56, wherein Bifidobacterium GC56 was deposited at the Collection Nationale de Cultures de Micro-organismes (CNCM, Institut Pasteur) on 9 Dec. 2004 with accession number CNCM 1-3342.
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