This supplement gives you 22 billion beneficial bacteria including 12 billion bifidobacteria strains and 10 billion lactobacillus acidophilus, Added prebiotics to feed the beneficial bacteria, Gamma oryzanol for digestive comfort, Glutamine, the most important amino acid for healthy gastrointestinal function, No need to refrigerate as the beneficial bacteria are freeze dried and are activated after you have swallowed them, so brilliant when travelling, Not a liquid so no preservatives are needed, Approved by the Vegan & Vegetarian Society, Kosher & Halal approved.