Udo's Choice Super 8 Microbiotics are vegetarian capsules containing 8 strains of friendly bacteria to help counteract serious flora imbalance and promote good upper bowel health. Microbiotics are friendly bacteria that occur throughout the digestive tract, they are essential for proper digestion, a strong immune system and overall general health. Helping to replenish healthy gut flora and reduce painful gas, bloating and constipation, Super 8 Microbiotics contain 42 billion active bacteria per capsule and are beneficial for healthy digestion and immune function. Bad eating habits, stress and antibiotics can affect good bacteria in a negative way; taken once a day, these powerful capsules can help restore healthy digestion for a happier bowel. Suitable for vegetarians. Gluten free.