Celsius is the orginal functional energy drink for active people in the Nordic countries. It was launched for the first time in Sweden in 2009- which was a huge success transforming the Swedish categories of functional drinks and energy drinks. Celsius is and always been completely vegan, free of carbohydrates, containing only natural flavors and colors. That is why it tastes so good! Celsius contains seven different vitamins and green tea, ginger, guarana and caffeine.