Common events in life such as diet, travel, stress, even some medications can cause imbalances in your digestive tract. Culturelle is the most clinically studied probiotic, or beneficial bacteria, and helps restore the balance and maintain a nourishing level of “good” bacteria, essential to regularity and gastrointestinal health. Culturelle helps promote regularity and bowel function, to manage bloating and discomfort, and can help shorten the duration of occasional diarrhea. It also stimulates the immune system to support overall health and wellness. Active Ingredient: Lactobacillus GG - 10 billion cells (per serving) 30 capsules/1 month supply