Gatorade - QKR12203 Use G2 as a low-calorie sports drink to help stay fueled for an ultimate performance. This grape-flavored thirst quencher delivers the same electrolyte-charged hydration of Original Gatorade Thirst Quencher, but with half the carbs and calories. G2 contains critical electrolytes to help replace what's lost in sweat. Convenient sports bottle features a screw-on cap that's excellent while you're on-the-go.