Helps to improve digestive health Provides 20 billion active cultures Rapid release capsules Lactobacillus acidophilus and Bifidobacterium bifidum are bacterial cultures that provide an additional source of the micro-organisms that are naturally found throughout the digestive system. Ultra Maximum Acidophilus provides 20 billion active cultures per rapid release capsule. Helps to improve digestive health Provides 20 billion active cultures Rapid release capsules Lactobacillus acidophilus and Bifidobacterium bifidum are bacterial cultures that provide an additional source of the micro-organisms that are naturally found throughout the digestive system. Ultra Maximum Acidophilus provides 20 billion active cultures per rapid release capsule.