Veterinarians recommend IAMS. Every life stage for your dog is unique, and IAMS understands what is essential to your senior dog. IAMS Proactive Health Healthy Aging Dry Dog Food With Real Chicken is made with real chicken as the #1 ingredient and contains no fillers or artificial flavors; ingredients are natural as defined by the Association of American Feed Control Officials (AAFCO). The Proactive 5 health benefits for IAMS Healthy Adult diets focus on five key health areas: healthy muscles, energy, digestion, immune system, and skin and coat. IAMS Healthy Aging Dog Food is formulated with a carefully selected blend of natural fiber and prebiotics to support healthy digestion. Also, it contains an antioxidant blend that includes Vitamin E and Beta Carotene, which helps boost your older dog's immune response to healthy adult levels. With select healthy grains for healthy energy, IAMS Healthy Aging Recipe helps your senior dog stay active and engaged. Made with balanced nutrients, including minerals, this do