Multi-strain probiotic blend providing 20 billion active cultures per capsule. Includes short-chain fructo-oligosaccharides, a natural prebiotic fiber that stimulates the growth and activity of beneficial bacteria Packaged in targeted release acid resistant capsules, which resist stomach acid and ensure that a maximum number of viable cells are delivered into the intestinal tract, where they can fully exert their beneficial effects. No need for refrigeration, each capsule is sealed individually in nitrogen-purged blister packs to ensure optimum freshness and potency