Optimum Nutrition's Opti-Men is a complete Nutrient Optimization System providing 75+ active ingredients in 4 blends specifically designed to support the nutrient needs of active men. Each serving includes free form amino acids, antioxidant vitamins, essential minerals and botanical extracts in foundational amounts that can be built upon through consumption of a healthy balanced diet. Think of Opti-Men® as nutritional insurance for your fit lifestyle.