Gastren Duo Suspension is a 100ml oral medication containing calcium carbonate, magnesium carbonate, and sodium alginate. This combination formulation is designed to provide relief from acid-related digestive discomfort and heartburn. The medication comes in a brown glass bottle with a white cap for protection from light and proper storage. The suspension format allows for easy administration and absorption. As with all medications, this should be taken under medical supervision according to prescribed dosage. Store at room temperature away from direct sunlight and keep out of reach of children. Consult your healthcare provider regarding proper usage, potential side effects, and drug interactions.