Probiotics are beneficial bacteria that are normally found in the digestive system. They are important for restoring and balancing intestinal flora. The majority of the immune system is closely tied to our digestive tract, making it important to maintain proper gut health. Just one capsules of Multi-Flora Probiotic contains five different strains of the “good” bacteria needed for optimal health. To guarantee 8 billion active cells at the Best Buy date, 16 billion cells are encapsulated at time of manufacture.