PB 8™ Probiotic Supplement Vegetarian Formula Support Digestive Health with 8 Strains of Beneficial Bacteria PB 8™ contains a proprietary blend of beneficial bacteria such as Lactobacillus and Bifidobacterium. PB 8™ provides 14 Billion CFUs at the time of manufacture. PB 8™ does not contain: gluten, milk, soy, peanuts, tree nuts, or eggs. Sold in health food stores for more than 25 years and available online. Helps provide beneficial bacteria.