Profivex is probiotic and prebiotic nutritional supplement for dogs and cats. Formulated to help maintain regular digestion and health of the gastrointestinal tract, Profivex is made with five types of probiotics and two types of prebiotics. It also contains sweet potato as a source of fiber to help balance the diet. Profivex powder is flavored with real pork liver. Made without grains, corn, soy, wheat, artificial ingredients, or preservatives.