Daily L-Salivarius is a potent probiotic supplement with approximately 2 billion live Lactobacillus salivarius bacteria and 100 mg of Fructooligosaccharides (FOS) per capsule. L-Salivarius is a vigorous species, which rapidly multiplies in the intestinal tract to out compete most harmful bacteria. FOS is a prebiotic polysaccharide that encourages the growth of beneficial bacteria. This combination of probiotics and prebiotics can help establish a healthy intestinal flora. 120 DRcaps per bottle.