Gastren Duo Suspension is a 100ml pharmaceutical preparation containing calcium carbonate, magnesium carbonate, and sodium alginate. This medication is formulated to help provide relief from gastric discomfort and related digestive issues. The product comes in a 100ml suspension form manufactured by Pharmactive. The packaging features a clear illustration of the stomach, indicating its intended use for gastrointestinal concerns. As this is a medicinal product, please consult with a healthcare professional before use.