Red Bull USA expanded its line of energy drinks with Red Bull Energy Shot and Red Bull Sugarfree Shot. Red Bull Energy Shots are concentrated, non-carbonated versions of Red Bull Energy Drink. Red Bull Energy Shot and Red Bull Sugarfree Shot contain taurine, glucuronolactone and caffeine, and 25 and 2 calories, respectively. In June, both products will be available in re-sealable 2-ounce bottles.