Gaviscon Infant Sachets help relieves symptoms of regurgitation in infants. The active ingredients are two different Alginates to prevent the flow of food from being regurgitated up the oesophagus (food pipe). Active Ingredients: Sodium Alginate 225mg, Magnesium Alginate 87.5mg. Also contains Mannitol E421. Always read the label. Use only as directed. If symptoms persist see your Health Care Professional.