Natural Factors Mega ProbioticNatural Factors Mega Probiotic Powder contains four strains of probiotics to assist with the maintenance of normal intestinal health. The powder is guaranteed to contain 12 billion active cells per serving along with fructooligosaccharides (FOS) to specifically assist in re establishing and maintaining normal intestinal microflora. Restores a healthy balance of intestinal flora Improves nutrient absorption Enhances immune function Improves breath 12