carbonated water, acidity regulators (citric acid, sodium citrate, sodium bicarbonate), sweetener (erythritol), taurine, flavours, guarana extract, sweeteners (acesulfame potassium, sucralose), preservatives (sodium benzoate, potassium sorbate), caffeine, glucuronolactone, colour (caramel IV), vitamins (niacin (B3), pantothenic acid (B5), riboflavin (B2), B6, B12)