Purina Pro Plan Sport Active 26/16 Formula Dry Dog Food - 37.5 Lb. Bag One (1) 37.5 lb. Bag - Purina Pro Plan SPORT Active 26/16 Formula Dry Dog Food Chicken is the #1 ingredient Contains 26% protein and 16% fat to help maintain lean muscles & ideal body condition Rich in antioxidants to help support a healthy immune system Easily digestible formula helps promote nutrient absorption