NUUN Sport Electrolyte Replacement Tablets are perfect for carrying in your bergen when space and weight is at a premium. A single tablet can easily be added to your water bottle or water bladder to make a refreshing drink. When you sweat during sports, expeditions and fieldcraft exercises your body looses vital minerals and electrolytes. NUUN tablets contains everything you need to replace them during or after exercise. It will also help to alleviate muscle cramps. The tablets are sugar free and dissolve very quickly. Four flavours available. Each tube contains 12 tablets. Weighs- 72 grams.