The beneficial bacteria in Hyperbiotics Prebiotic Probiotic are protected by an acid-resistant capsule. so the probiotics are exposed to harsh stomach acids for less time. Lactobacillus strains reside in your small intestine. and the acid-resistant capsules protect the bacteria until they reach this part of the digestive tract. where the entire capsule contents are released. This means more live organisms can reach exactly where they are needed most.