Our Kangaroo Formula features a novel, lean animal protein that is rich in nutrients and has twice the amount of Vitamin B12 than any other meat protein. It also has high Omega-3 content for good heart health. Our Kangaroo Formula is always grain-free to help reduce food sensitivity. Zignature® Kangaroo 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® Kangaroo Formula for dogs 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 lbs or more as an adult).