M-Factor Men™ is a pharmaceutical-grade multivitamin that will ensure the optimal amounts of micro-nutrients are delivered to boost your immune system and keep you protected and functioning at your best. Not only does it contain the essential vitamins and minerals, it contains them all in the precise ratios that are needed to support the various diverse biochemical functions and demands of your body. Whether your goal is to build muscle, lose weight, or simply to maintain a healthy immune system, M-Factor Men is the cornerstone of your nutrition and supplementation program.