Sundown Naturals® 50-Milligram Zinc caplets supply you with a high-potency source of this essential trace mineral. Just one caplet a day provides you with the benefits Zinc is known for--supporting immune and antioxidant health plus contributing to carbohydrate, protein, fat, and energy metabolism.* Zinc can also lend support to male reproductive health and plays a role in the synthesis of testosterone.* Sundown Naturals Zinc caplets are vegetarian.