Konyagi Spirit Drink gives you an energy boost to charge up and keeps you going. It also invigorates your taste buds with its refreshingly delicious flavour. Sting has the kick of Caffeine, Ginseng and B Vitamins with amazingly refreshing flavours. Vitamins are essential micronutrients that are required for maintaining normal body functions. B-group vitamins play an important role in energy metabolisms, such as the build-up and breakdown of carbohydrates and protein.