• caffeine
  • Energy drinks are carbonated beverages that contain large amounts of caffeine and sugar along with other ingredients, such as B vitamins, amino acids such as taurine and herbal stimulants such as guarana and ginseng. (blogspot.com)
  • Energy drinks are non-alcoholic, often lightly carbonated beverages that are designed to give the consumer a burst of energy by the addition of a number of energy enhancing ingredients, most notably caffeine. (blogspot.com)