Bifidobacterium species are strictly anaerobic and
preponderate the large intestines. Over 30 species have
been identified. Their assistances include metabolisation
of lactose, generation of lactic ions from lactic acid and
vitamin synthesis. They also ferment indigestible
carbohydrates and produce beneficial short-chain fatty
acids. They are believed to be beneficial in reducing
antibiotic associated diarrhoea and traveller’s diarrhoea.
They relieve constipation, alleviate inflammatory bowel
disease and prevent DNA damage. Finally, they may
prevent or delay the onset of cancers11,12.