Purina Pro Plan High Calorie, High Protein Dry Dog Food, 30/20 Chicken & Rice Formula - 37.5 lb. Bag

• Concentrated nutrition optimizes oxygen metabolism (VO2 MAX) for increased endurance
• High protein formula, with real chicken as the first ingredient
• Used to be known as SPORT Performance 30/20 Formula
• Amino acids nourish muscles, including the crucial time after exercise
• 30 percent protein and 20 percent fat fuel metabolic needs and maintain lean muscle