Nutrition Now PB 8 Probiotic Immune System and Digestive Support Dietary Supplement helps you maintain a healthy digestive system with a proprietary blend of beneficial bacteria. This vegetarian formula has 10 billion good bacteria per capsule that help provide digestive regularity and support the immune system. Included in this formula are 10 probiotic strains of bacteria like Lactobacillus acidophilus and Bifidobacterium lactis. Plus, it’s free of any gluten, milk, peanuts and tree nuts. Includes one 60 day supply of Nutrition Now PB 8 Probiotic Immune System and Digestive Support Dietary Supplement. Church & Dwight Co., Inc., the maker of PB 8, has a long history of quality manufacturing and an unwavering commitment to supply our customers with innovative supplements that provide uncompromising quality.