Gatorade Thirst Quencher hydrates better than water, which is why it's trusted by some of the world's best athletes. It contains critical electrolytes to help replace what's lost in sweat. 32 fl oz Cucumber Lime Bottle.When you sweat, you lose more than water. You also lose critical electrolytes, like sodium and potassium, which help the brain communicate with muscles and regulate fluid level balance throughout the body. Significant losses in fluids and electrolytes can negatively impact performance, especially during long bouts of training. The one and only. With a legacy over 40 years in the making, it's the most scientifically researched and game-tested way to replace electrolytes lost in sweat.