Nuun tablets can be added to water to make a great tasting, balanced, and refreshing sport drink. Tablets contain levels of electrolytes needed for the product to be absorbed the quickest and to provide optimal salt balance to prevent cramping and maximize hydration. Nuun comes in a tough tube that is water resistant and perfect for carrying in your hand, bike jersey, pack…wherever. 1 tube = 6 liters (~1.5 gallons) – enough for a good ride or a week at the gym. And if you travel, forget trying to find your normal drink or suffering the indignity of bags of powder bursting in your luggage. A couple of tubes in your bags will get there in one piece and get you through the week of training in Colorado or the Pyrenees.