The Nutrena True Professional 30/20 Dog Food is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for All Life Stages including growth of large size dogs (70 lb. or more as an adult). It features a high protein, high fat formula that keeps working, hunting and athletic dogs in peak body condition. The TruMune power is a research-proven pet food ingredient that works to provide everyday immune protection and support digestive health which fosters your pet's healthy activity and mobility. Our patented Opti-Cook process and added prebiotic provide special digestive support. Glucosamine and chondroitin sulfate support healthy mobility. Guaranteed levels of Omega 6 and 3 fatty acids support skin and coat health. The recipe also includes taurine for heart health.