Mutaflor Probiotics - 100 CapsulesMutaflor a unique probiotic, clinically examined with strain specific characteristics and proven efficacy. This product is temperature sensitive & needs to be kept refrigerated at 2 8C. Product information Mutaflor is a probiotic (capsule) which contains a viable non pathogenic strain of Escherichia coli (E coli), named Escherichia coli Nissle 1917. It was first isolated in 1917 by Professor Alfred Nissle from the faeces of a soldier during the First