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 prostate health. • Energy Production: Clinically shown to improve levels of key B vitamins essential or energy production^. • Calorie Burning: Features a combination of thermogenic ingredients that support calorie burning. • Cognitive Function: Includes 100mg of caffeine for focus and multiple nutrients like vitamin B-12, choline, and vitamin C that are involved in brain health. • Quality You Can Trust: Timed-release, Gluten free, No artificial flavors, No dairy • How to take: Take two caplets daily with food. Do not take near bedtime. • Backed By Science: Since 1935, GNC has been committed to meeting the highest standards of quality, safety, and efficacy while applying the most up-to-date advances in nutritional science so you can live well. ^In a randomized, double-blind, placebo-controlled study of 111 healthy participants, those taking the GNC vitamin and mineral blend for six weeks had statistically significant increases in serum levels of a group of B vitamins and a group of antioxidants and carotenoids based on a multivariate statistical analysis when compared to those taking placebo or a basic multivitamin. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.