Our Kangaroo Formula features a novel, lean animal protein that also happens to be one of the healthiest meats in the world. Kangaroo is packed full of nutrients which leads to healthy functions throughout the body. It also has high Omega-3 content for good heart health. Our Kangaroo Formula is always grain free to help reduce food sensitivity and allergies. Zignature Kangaroo Formula - Learned from Nature, Crafted to Perfection.