Ideal Bowel Support 299v contains a clinically documented human origin probiotic strain, L. plantarum 299v, that resists stomach acid and bile salts and demonstrated specific adherence properties for colonization of human intestinal mucosa. L. plantarum 299v has been used in human clinical studies for intestinal health and function. Each capsule contains a minimum of 10 billion L. plantarum 299v viable cells.