Nulo style Trout & Sweet Potato Senior Dry Dog Food, 4.5 lb. is carefully crafted with high-quality proteins to support healthy muscles, sustained energy, and optimal digestion for your senior dog. This formula is designed to meet the unique nutritional needs of aging dogs, including added glucosamine and chondroitin to promote strong hips and joints. It features protein sources to help dogs with chicken or egg allergies and is from grains, corn, wheat, soy, and artificial preservatives. You can trust Nulo to provide a wholesome, nutritious option that helps keep your dog happy and healthy. The product is conveniently packaged in a 4.5-pound bag.