A Grade, High Quality, Ounce per ounce, most unflavored coconut water contains 5.45 calories, 1.3 grams of sugar, 61 milligrams of potassium, and 5.45 milligrams of sodium. In comparison, Gatorade has 6.25 calories, 1.75 grams of sugar, 3.75 milligrams of potassium, and 13.75 milligrams of sodium.
