Probiotic 50 contains 9 species of microorganisms from non-dairy sources. Because each strain has an affinity for a different part of the digestive tract, and a unique mechanism of action, a product that delivers multiple strains is preferable to single strain products.* Product Info Serving Size:1 Capsule Servings Per Container:60 Amount Per Serving Stabilized Nondairy Probiotic Complex (52.5 Billion CFU)246 mg Lactobacillus acidophilus Lactobacillus plantarum Lactobacillus casei Fructooligosaccharides (FOS) Lactobacillus salivarius Lactobacillus rhamnosus Streptococcus thermophilus Bifidobacterium breve Bifidobacterium bifidum Bifidobacterium longum Other Ingredients: microcrystalline cellulose, vegetable cellulose (capsule), ascorbyl palmitate, silica