Addlife is a highly beneficial supplement for both dogs and cats. Addlife takes a standard processed pet food and makes it exponentially more nutritious and genetically appropriate. Addlife contains the same ingredients to enhance and augment the nutritional value of pet foods as Wysong C-Biotic and F-Biotic, and it has the added benefit of whole, raw meats and the antioxidant properties of blueberries. Addlife improves palatability and supports the immune system. A great all around supplement for households with both dogs and cats so only one supplement is needed for everyone. Very easy to use -- simply sprinkle onto your pet's food.