Guarana (energy drink)
Guarana is an energy drink produced by Knjaz Miloš a.d., a producer based in Aranđelovac, Serbia. The drink is popular within Serbia, and is made from extracts of the guarana plant, which contains caffeine, theophylline, and theobromine. Guarana has a caffeine content equivalent to, or more than, most energy drinks.Ingredients include carbonated water, sugar, citric acid, sodium benzoate and potassium sorbate, and guarana extract.