Activia is a great-tasting lowfat yogurt from Dannon that contains Bifidus Regularis, a natural probiotic culture that can help regulate your digestive system by helping reduce long intestinal transit time. Bifidus Regularis, available only in Activia, is a live "friendly" bacteria that's beneficial when eaten daily. Because Activia is made by Dannon, you can be assured that it's a delicious way to do something good for your body. (from Dannon)