Black current - Citric Acid, Ascorbic Acid, Sodium Bicarbonate, Sorbitol, Mannitol, Calcium Carbonate, Polyethylene Glycol, Blackcurrant Flavour, Sodium Saccharin, Acetosulfame K (with sugar and sweetener)Safety WarningExcessive doses may lead to gastrointestinal disturbances such as flatulence or diarrhoea, reduce dosage to tolerance levels.