Stay Sparkling, Stay Energized! ✨ Enjoy 4 delicious flavors in one convenient pack. Packed with electrolytes to keep you hydrated. 5 grams of amino acids per serving for optimal recovery. 100mg of natural caffeine for a refreshing boost. Zero sugar and only 5 calories per serving. 100mg Caffeine 5g Amino Acids Electrolytes Optimum Nutrition Amino Energy Sparkling Hydration Drink is a refreshing, sugar-free beverage that combines 100mg of natural caffeine, electrolytes, and 5 grams of amino acids per serving. With only 5 calories, this lightly carbonated drink comes in a variety pack of 12, featuring flavors like Blueberry Lemonade, Grape, Juicy Cherry, and Mango Pineapple. Banned substance tested and crafted by the world's #1 sports nutrition brand, it's designed for on-the-go hydration and recovery.