PROBIOTIC 100B™ offers a combination of seven different strains of healthy bacteria of human origin to support a healthy immune system. * These cultures are manufactured through a fermentation process and then freeze-dried and blended with fructooligosaccharides (FOS). Shelf-stastable for two years at room temperature, the nitrogenpacked capsules guarantee longer life and maintain their stability for years if refrigerated. Probiotic 100B contains the following live strains: L. acidophilus 50%; L. casei 10%; L. plantarum 10%; L. rhamnosus 10%; B. lactis 10%; B. longum 5%; and S. thermophilus 5%.