PB Assist+ is a proprietary formula of pre-biotic fiber and six strains of probiotic microorganisms in a unique double-layer vegetable capsule. It delivers 6 billion CFUs of active probiotic cultures and soluble pre-biotic FOS (fructo-oligosaccharides) that encourage friendly bacterial growth. The time-release, double-capsule delivery system is designed to help protect the sensitive probiotic cultures from stomach acid. PB Assist+ offers a unique, safe, and effective way to deliver the well-recognized digestive and immune system support benefits of probiotics. Take one double-layer capsule three times daily with food for 10 days each month to promote colonization of friendly digestive flora. Can beused more frequently and for extended periods of time when digestive flora has been compromised by digestive stressors. PB Assist+also may be used when traveling to boost digestive immunities, or once a day as an ongoing maintenance program for people withoccasional digestive discomfort.