Chelated Zinc as Zinc Glycine Liquid is a liquid form of zinc supplement used in animal feed. It is a chelated form of zinc, in which zinc is bound to the amino acid glycine. This form of zinc is easily absorbed by the animal and provides a more bioavailable form of zinc than other forms of zinc. It is used in animal diets to help maintain healthy hooves, skin, and coat, as well as for general health and wellness. It is also used to help prevent zinc deficiencies in animals.