Udo’s Choice Super 8 Gold Microbiotics contain 8 bacterial strains designed specifically with a higher percentage and concentration of Bifido strains.The specific strains used in Udo’s Choice Super 8 Gold Microbiotics have been specially chosen for their value to lower bowel health and have been formulated to the appropriate viable count. Each vegetarian capsule contains: 102 billion viable cells at time of manufacture and at least 61 billion viable cells at expiry in a base of potato starch, ascorbic acid, stearic acid, and silicon dioxide.