Sundown Zinc 50 mg 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 Zinc caplets are vegetarian friendly.