Nutrisource Grain-Free Turkey and Menhaden Senior Formula Dry Dog Food is a grain-free senior diet formulated to meet the needs of aging dogs. Real turkey is the primary protein, offering lean nutrition with reduced fat to help older dogs maintain healthy muscle mass without excess calories. The recipe includes added glucosamine and chondroitin for joint support and is fortified with probiotics and antioxidants to support digestive efficiency, immune function, and overall vitality in dogs around 7 years and older. Available in Multiple Sizes