One 300 g container (30 servings) of Optimum Nutrition Gold Standard Pre-Workout Powder in Blueberry Lemonade flavor This pre-workout powder helps support performance, energy and focus when taken consistently over time with regular resistance exercise Each serving of pre-workout powder has 175 mg of caffeine Feel good about your pre-workout drink mix Mixes easily with a shaker cup, perfect for packing in your gym bag as part of your training routine