This is a special formulation made by Organix. It is specifically meant to nourish older pets age 11 and up. As they age, changes happen in their bodies that mean the ingredients in their meals also need to change. This product contains fiber, protein, omega 3 fatty acids, and other nutrients. It leaves out corn, wheat and soy fillers and offers 34 percent pure protein. All ingredients are certified and this product is made in the USA. The flavor available is Chicken, Peas & Lentils.