Sports Drinks: Winners and Losers

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Bottled waters and sports drinks are a multibillion-dollar industry, but ABC News' medical contributor Dr. David Katz says these drinks offer little more than extra calories, sugar and sodium to our diets.

Katz reviews the winners and losers of sports drinks and fortified waters.

The Losers Gatorade

8 ounces has 50 calories and 110 milligrams of sodium.