The Udo's Choice Super 8 GOLD Microbiotics are vegetarian capsules containing 8 strains of friendly bacteria to help counteract serious flora imbalance and promote good upper bowel 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.Gluten free.