You sweat nuun active replenishes packed with electrolytes light flavour clean ingredients nuun active hydration is the perfect sports drink the electrolytes found in nuun will help alleviate cramps help muscles function communicate and burn energy efficiently nuun active has the same great electrolyte profile that has kept athletes hydrated for years but now also includes the addition of non gmo non genetically modified sourced dextrose helps the body to absorb fluids more efficient