Supports Cellular Energy and Metabolism. Supports Muscle Health. Supports Immunity. Dietary Supplement. Multi-Vitamin for Active Men. OPTI-MEN is more than a multi. It is a nutrient optimization system providing 75+ active ingredients in 4 blends specifically designed to support the nutrient needs of active men. Each 3-tablet serving provides free form amino acids, antioxidant vitamins A, C and E, essential minerals and botanical extracts in foundational amounts that can be built on by consuming a healthy balanced diet. B-Vitamins support the breakdown and transport of nutrients.