Vitamin World''s Acidophilus liquid is composed of hardy, viable balanced cultures of specially selected strains of lactobacillus cultures in a natural palatable base of predigested milk solids (which makes it suitable for most lactose intolerant individuals). The organisms involve three strains of Lactobacillus acidophilus, a strain of Lactobacillus bulgaricus and a strain of Lactobacillus thermophilus. When packaged, each tablespoon provides approximately 10 billion ''friendly'' organisms.Vitamin World''s Acidophilus encourages intestinal microflora balance and promotes the healthy functioning of the intestinal system.**