Electrolytes are minerals—like sodium, potassium, magnesium, and calcium—that help regulate fluid balance, muscle contractions, and nerve signals. You naturally lose electrolytes through sweat, but ...

U.S. consumers spend more than $10 billion a year on sports drinks, according to Beverage Industry, a trade publication. And we can't lie that sometimes a Gatorade or electrolyte tablet sounds really ...

A classic 20-ounce bottle of lemon-lime Gatorade contains nearly one-eighth teaspoons of salt and 80 milligrams of potassium — electrolytes "to help replace what you sweat out," the product's ads say.

Electrolyte drinks for hydration are a hot market, but many contain added sugars — some more than soda. To save money and cut back on sugar, make your own electrolyte drink with a sports dietitian's ...