You sweat nuun active replenishespacked 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 efficientlyoptimal hydrationelectrolytes are tiny electronically charged particles that are lost via sweat during exercise the four main electrolytes that play vital roles in hydration and exercise performance are sodium maintains fluids bala