A genus of gram-positive, lactic acid producing bacteria that normally live in the gut of healthy mammals and constitute part of the normal flora of the lower gastrointestinal tract. Bifidobacteria and Lactobacillus species are considered probiotic bacteria, i.e., bacteria that contribute to human health. They are also used to produce fermented milks and yogurt The use of antibiotics to treat infectious diseases may decrease the concentration of Bifidobacteria in the gastrointestinal tract, allowing disease-causing bacteria to multiply.
Friendly bacteria that are naturally present in and guard the large intestine.
A consortium of bacteria typically found in the intestinal tract. Commercial supplements containing these bacteria are accessible in the market.