FortiFlora is a proven nutritional supplement containing the probiotic Enterococcus faecium, scientifically proven to help restore normal intestinal health and balance. FortiFlora also contains high levels of antioxidant vitamins A, C and E, which help promote a strong immune system. Sprinkled on a dog's food once a day, FortiFlora is easy to give and highly palatable, which can encourage eager eating even under stress.