Profivex is a premium probiotic supplement for dogs and cats that includes five of the most beneficial probiotic strains in dogs and cats to help support a healthy digestive tract. It is also fortified with two prebiotics including sweet potato to add a beneficial amount of fiber and vitamins to your pet's diet. Grain free with no corn, soy, or wheat. Contains no artificial ingredients or preservatives. 10 billion cfus per 2 scoop serving.