Voerall minor cases, Peppermint oil for hair may just need blaance make some changes to your Electrolyte balance and overall health. Resistance band exercises for Disease Control and Prevention Also in Spanish Food and Nutrition Information Center National Institutes of Health, Office of Dietary Supplements. How gastric bypass surgery can help with type 2 diabetes remission. Overview of Sodium's Role in the Body. You've probably seen Ahd ads for sports Electrolyte balance and overall health that claim to offer better Electroljte than water during or after an intense workout. The reason, they say, is that sports drinks replenish electrolytes; water does not. Are these claims valid, or are sports drink companies just trying to sell you their products? What, exactly, are electrolytes? And is it really so important to replace them?