Contains 1 Billion Live Probiotic Cultures Digestive, Intestinal and Immune Health Support Dietary Supplement Gluten Free Non-gmo Guaranteed Quality Laboratory Tested Trusted Quality For Over 30 Years Acidophilus Probiotic Blend contains Lactobacillus acidophilus, a friendly bacteria for the digestive system, synergistically combined with three other genetically distinct probiotic organisms and the prebiotic Inulin, to promote healthy probiotic activity and immune system health.