Dietary SupplementClinically Studied Multivitamin^With 1,600 IU of Vitamin D-3 for Colon Health and Immune Support* 2x More D-3**Boosts Energy and Metabolism* Supports Mental Focus* Calorie Burning Support* Timed-Release Caplets | Clinically Studied^Frank J. Costa M.D. and acclaimed urological surgeon and men"s health expert is part of the GNC Medical Advisory Board. One of "America"s Top Physicians," Dr. Costa lectures nationally and internationally on men"s health topics. Dr. Costa is regularly featured in television, radio and newspaper interviews and has published articles in both professional journals and popular magazines."Lack of energy and slow metabolism are common concerns of many of my patients. When a regular multivitamin isn"t enough, I suggest Mega Men® Energy & Metabolism for the extra boost to help them through their busy schedules."Mega Men® Energy & Metabolism Taking a daily multivitamin keeps you on the right track for filling your nutritional gaps. Mega Men® Energy & Metabolism is an enhanced multivitamin that provides the same clinically studied base as our Mega formula with ingredients that help boost your energyAdvanced Nutritional SupportIncludes 1,600 IU of Vitamin D-3Emerging research suggests that adequate daily vitamin D intake may play a role in supporting colon and immune health.* Supplies B-Vitamins that are Essential for Energy Production and Metabolism.*Calorie Burning SupportFeatures an energy and metabolism blend that helps boost energy and metabolism and supports calorie burning.* The components in this blend also help support mental focus.*Antioxidant ProtectionContains a premium blend of antioxidant including selenium, vitamin C and Vitamin E to aid in supporting the body"s immunity.* Combines lutein and zeaxanthin to support eye health, with lycopene, and antioxidant from tomatoes to support cardiovascular health.*