With NutraFlora® FOS 15 Strains / 35 Billion Microorganisms† Per Serving Features VIABLEND® Gastric Acid Bypass Technology Everyday Essentials Potency · Purity · Pride Superior Probiotic Technology Dietary Supplement Suitable For Lacto Vegetarians Probiotic supplement featuring 15 different probiotic strains plus NutraFlora® prebiotics for optimal functioning of the digestive and immune systems. What is Probiotic 15-35? Probiotic 15-35 is a synbiotic, or supplement that contains both probiotics and prebiotics that work together to promote digestion and support the immune system. It features a proprietary blend of 15 different probiotic strains plus NutraFlora® FOS, a highly concentrated source of prebiotics, or non-digestible carbohydrates, that support healthy levels of beneficial bacteria in the intestines. Probiotic 15-35 includes a unique delivery system, VIABLEND® Gastric Acid Bypass Technology, which protects live bacteria from the harmful effects of stomach acid and carries them to the intestine. What are the key benefits of Vitacost® Probiotic 15-35 - 35 Billion CFU†? Probiotics are live “friendly” microorganisms similar to those found in the body. Taking probiotics can replenish the supply in your intestines of good bacteria, which may become depleted due to poor diet, medication, health concerns and aging. Probiotics support immune response (a large percentage of cells of the immune system are located in the digestive tract). †Colony forming units at time of manufacture.