Udo’s Choice Super 8 contains 42 billion 'friendly' bacteria per daily capsule and 8 strains of Lacto and Bifido bacteria including Lactobacillus Acidophilus, Rhamnosus, Plantarum and Bifidobacterium Bifidum and Longum. Super 8 hi-count microbiotic is ideal for both every day use and short periods throughout the year.