Nature's Bounty Probiotic 10 is the answer to your everyday probiotic needs. It contains 10 probiotic strains to help supplement the natural diversity in your intestinal microflora.* Among these strains is patented Probi Digestis Lactobacillus plantarum 299v or LP299V for short. This clinically studied strain delivers additional good bacteria to your system.* Lactobacillus plantarum HEAL9 and Lactobacillus paracasei 8700:2 are also included because they've been clinically studied for immune support.* Friendly bacteria naturally populate your digestive tract and contribute to overall well-being. When outside factors limit your exposure to these friendly bacteria, that's where Probiotic 10 comes in. It provides you with clinically studied probiotic strains for healthy gastrointestinal function, digestive balance, and immune health support.* A large percentage of the body's immune system is in the gastrointestinal tract, which is why digestive and immune health go hand in hand. Contains Clinically Studied Strains.* Probio-guard. Laboratory Tested. Non-GMO. No Artificial Color, No Artificial Flavor, No Artificial Sweetener, No Sugar, No Starch, No Milk, No Lactose, No Soy, No Gluten, No Wheat, No Fish. Suitable for Vegetarians. Guaranteed quality and CFU through expiration when continuously stored in the original packaging as directed. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.