Once Daily Multi Strain with scFOS Digestion Immunity True Potency 5 Billion CFU Delayed Release Dietary Supplement Enhanced with NutraFlora Digestion & Immunity Why Take Primadophilus Reuteri? Primadophilus Reuteria is a multi-strain probiotic formula L. reuteri (UALre-16), L. acidophilus and L. rhamnosus than can help: Support healthy immune function Support healthy digestion What is Reuteri? Lactobacillus reuteri is a unique probiotic strain that has been show to colonize the intestines and help maintain digestive balance and support immune health. Superior Probiotic Primadophilus Reuteri fortifies the intestinal tract with active lactobacillus cultures. 5 Billion CFU per serving Multi-Strain Formula with L. reuteria (UALre-16), L. acidophilus and L. rhamnosus Delayed Release Capsules resist stomach acid to help deliver probiotics to the intestines Prebiotic Support with NutraFlora scFOS (short-chain fructooligo-saccharides) to support growth of probiotic bacteria True Potency Guarantee Primadophilus Reuteri contains at least 5 billion CFU through to the expiration date on this box. Most other probiotic brands claim their potency as of time of manufacture.