Patented symbiotic blend includes Inulin, Acidophilus, Bifido, Thermophilus and 3 unique strains of Lactobacillus Bulgaricus. The presence of Inulin (prebiotic) greatly aids the reproduction of friendly bacteria (probiotics) when they are reactivated inside the gastro-intestinal system. Each capsule contains at least 45 billion viable lactic acid probiotic bacteria by expiration date. Supplied in nitrogen filled, non-porous bottles for longer product shelf life.