Nuun Sport Powder Single Serve Drink Mix is a perfect addition to your water bottle. This refreshing hydration drink mix hydrates better than water alone and can be used before, during and after movement. Like Nuun Sport tablets, their hydration powder contains only 1 gram of sugar and 5 key electrolytes to help replace those lost when you sweat. This fast-dissolving powder contains no effervescence—great for those who want a fizz-free water enhancer.