Purina One Smartblend Natural Formula Adult Dry Dog Food Lamb & Rice 40 Lb. Bag - Purina One Smartblend Natural Lamb & Rice Formula Adult Dry Dog Food Made With High-Quality Protein Sources, Including Real Lamb As The #1 Ingredient Omega-6 Fatty Acids, Vitamins And Minerals Help Support Healthy Skin And Coat Dual-Defense Antioxidant Blend Supports A Strong Immune System Natural Sources Of Glucosamine To Help Maintain Healthy Joints