What are the most interesting probiotics?

There are estimated to be over 400 strains of beneficial bacteria in the normal digestive tract, the most common of which are Lactobacilli and Bifidobacteria.

There are 10 times more bacterial cells in the body than human cells, but they could all fit into a half-gallon jug because they are much smaller in size.

Bacteria are prevalent in several regions of the body: the mouth, nose, pharynx, intestinal tract, vaginal tract, and skin

theres are only facts... ;-;