This probiotic is formulated in a unique triple layer shell designed to help protect the active cultures delivered in every serving, so no refrigeration is needed. The proprietary blend of Lactobacillus acidophilus, Bifidobacterium longum, Lactobacillus plantarum and Bifidobacterium lactis helps balance intestinal microflora for digestive system health.* No artificial color, flavor or sweetener; preservatives; sugar; wheat or fish. Sodium free. *This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.