Gastren Duo Suspension is a 100ml pharmaceutical preparation containing calcium carbonate, magnesium carbonate, and sodium alginate. This medication is formulated to help manage gastrointestinal conditions by providing relief from acid-related symptoms. The product comes in a 100ml suspension form for oral administration. The combination of calcium carbonate, magnesium carbonate, and sodium alginate works together to neutralize excess stomach acid and provide a protective barrier in the digestive system. As with all medications, this should be taken under medical supervision and according to prescribed guidelines. Store at room temperature away from direct sunlight and keep out of reach of children.