GNC Mega Men Energy & Metabolism Multivitamin is designed to provide a boost of energy while enhancing metabolism and mental focus. It's GNC's best-in-class multi because it's backed by clinical research. This multi blend is clinically proven to work better than a basic multi at boosting levels of key nutrients in the blood^. - Clinically Proven Multivitamin Blend: Clinically proven to work better than a basic multi at boosting levels of key nutrients that support energy production and immune health^. - Complete Nutrient Support: This high-potency multivitamin features 18 vitamins and minerals at 100% daily value or more. Also supports...