Although individual brands and products might vary, sports drinks typically contain nutrients such as water, electrolytes (primarily sodium and potassium), and carbohydrates. Carbohydrate options found in a number of popular sports drinks include high fructose corn syrup, fructose, sucrose, sucrose syrup, brown rice syrup and cane juice. Depending on the brand, some sports drinks contain as much as 19 grams of added sugar, 200 milligrams of sodium, and 80 calories per 8 ounces.