As part of our grain-based dog food line, NutriSource® Choice recipes are formulated to meet AAFCO guidelines for all life stages at an entry-level price point. NutriSource Choice grain-based formulas provide compact nutrition and include balanced omega-3 and omega-6 fatty acids to support development and body systems. NutriSource Choice grain-based formulas are supplemented with taurine, choline chloride and L-carnitine to support heart health.