Natural Factors Zinc Chelate - 25 mg - An essential mineral important for the growth of reproductive organs and for proper functioning of the prostate gland. Zinc helps regulate the activity of oil glands, and proper level maintenance may help prevent acne. As a powerful antioxidant, Zinc also helps promote a healthy immune system, and aid in the natural healing process. Minerals are not produced by the body, and must be ingested, either through diet or supplementation.