Purina Pro Plan All Ages Sport Performance 30/20 Salmon & Rice Formula Dry Dog FoodHigh performance dry formula crafted with 30% protein and 20% fat to fuel metabolic needs and maintain lean muscle in canine athletes. Delivers concentrated nutrition to optimize oxygen metabolism (VO2 max) for increased endurance. Ingredients Salmon, corn gluten meal, rice, poultry by product meal (source of glucosamine), whole grain corn, beef fat preserved with mixed tocopherols, corn germ meal, dried egg product, fish meal (source of glucosamine),