Our Salmon Formula is loaded with heart healthy Omega-3 fatty acids. Salmon is also packed with lean protein for building lean muscle mass and maintaining strong bones. Our Salmon Formula is completely grain free, and that can help with dogs that have food sensitivities. We also include plenty of antioxidants and low glycemic carbohydrates for a healthy, satisfied dog. Zignature® Salmon Formula – Learned from Nature, Crafted to Perfection. Physiologically Tuned™, limited ingredient premium food for dogs. Hypoallergenic meat first recipe, with no Corn, Wheat, Soy, Dairy, or Chicken, Chicken Eggs, or Chicken By-Products. Zignature® Salmon Formula for dogs is formulated to meet the nutritional levels established by the Association of American Feed Control Officials (AAFCO) Dog Food Nutrient Profiles for all life stages including growth of large size dogs (70 lbs. or more as an adult).