Natural Factors Zinc Chelate contains 25 mg of this important trace mineral. Zinc supports our bodyâ€™s natural defenses and is essential for healthy skin. It is needed for many hormones and supports a healthy reproductive system, hence it is also important for prostate health.* Zinc is necessary for our sense of smell, taste and vision. This form of Zinc uses a Hydrolyzed Protein chelate made from rice to promote better absorption.