Enlightening, controversial ideas on weight training, diet, exercise, running, biking, home workouts and more. According to Harvey, sports drinks aren't necessary for activities lasting one to one and a half hours.
Water works just fine.
But as you pass that ninety-minute marker, electrolytes lost through sweat should be replenished. Sports drinks can come to the rescue. They typically contain water, carbohydrates, sodium, magnesium and potassium. They come in a variety of flavors, so choose something you find palatable. Their sugar content may actually slow down the body's absorption of water.