Optimum Nutrition Gold Standard Pre-Workout is a performance-focused powder formulated to enhance energy, focus, and endurance during training sessions. Each serving delivers 175mg of caffeine, 3.3g of creatine monohydrate, and 1.6g of beta-alanine to support workout intensity and muscle ATP energy replenishment. This artificially flavored supplement is designed for use 15-30 minutes before physical activity as part of a balanced diet and exercise program.