Zignature’s Venison Formula is an excellent source of lean protein. In fact, pound for pound, Venison has more protein than any other red meat. It’s also low in fat, and free of toxins found in most commercially produced meats. Venison is packed with Iron and Vitamin B. And Zignature’s recipes are always grain free and chicken free, which makes their Venison Formula a great option for dogs who might have food sensitivities or allergies. Not to mention dogs love the taste. Zignature Venison Formula – Learned from Nature, Crafted to Perfection.