Electrolyte tabs are changing the way endurance athletes think about hydration and refueling. Your hydration and electrolyte needs fluctuate greatly depending on the temperature and humidity levels while your calorie needs remain relativley constant at a given inensity level. There is a growing movmement to provide only electorlytes through hydration while delivering calories in the form of gels, bars and chews. This helps endurance athletes better manage their caloric intake regardless of how much or how little they drink.
