NUTRO MAX ADULT BEEF/RICE Dry Dog Food 25#. Made with non-GMO ingredients. featuring delicious beef--a high-quality protein source--as the very first ingredient. No chicken by-product meal, corn, wheat or soy. Formulated with essential antioxidants to support your dog's immune system and natural fiber to support digestion. Omega-3 and omega-6 fatty acids to promote healthy skin and a soft, shiny coat.