Nuun Instant relieves symptoms of dehydration FAST. When you’re hydrated your body has what it needs to keep you active, alert, and ready for adventure. But busy lives, late nights, or extreme climates can make staying hydrated hard. The perfectly portable packaging fits in your bag or your back pocket so you’re prepared no matter when or where dehydration strikes. Just add one sachet of Nuun Instant to 16oz of water and start sipping your way back to total rehydration.