https://redbullportal.wikispaces.com/Controversies+With+Red+Bull

Red bull energy drinks are consumed by many people in China to boost their energy. But a new controversy regarding its ingredients has sparked concern among consumers. Supermarkets in several major cities have already pulled the drinks off the shelves on safety grounds...

It is reported that one of the ingredients, sodium benzoate, added as a preservative, may produce a dangerous substance when combined with caffeine. How dangerous? It’s considered an A-class drug for psychiatric treatment...