A tasty & hydrating blend of electrolytes, minerals and caffeine provides complete hydration with an extra boost*. 10 tablets per tube. Dissolve in 16oz. of water.

Breaking a sweat for more than 90 minutes? Drink Nuun Endurance! When you work out longer than 90 minutes your body needs more than water and electrolytes to keep up. Nuun Endurance is the perfect blend of electrolytes and carbohydrates to keep you hydrated and go longer and stronger all dang day.