Opti-Probiotic contains a proprietary blend of 10 widely studied probiotics shown to benefit both the small and large intestine: Lactobacillus acidophilus, Lactobacillus plantarum, Lactobacillus casei, Lactobacillus lactis, Lactobacillus rhamnosus, Bifidobacterium bifidum, Bifidobacterium longum, Streptococcus thermophilus, and Propioniba...