Multi-Probiotic contains 16 potent probiotic strains, including the clinically researched Bifidobacterium lactis HN019 that supports gastrointestinal and immune function.* Also included in the synbiotic blend, is a prebiotic fiber that is well tolerated and works synergistically with probiotics to flourish in the intestinal tract.* These probiotics are acid and bile resistant and undergo a patented cryoprotectant stabilization process for shelf stability.