Gaviscon Double Action is a 300ml liquid medication that provides dual relief from heartburn and indigestion. The formula works by creating a protective barrier on top of stomach contents while also neutralizing excess stomach acid, offering quick and effective relief from acid reflux symptoms. The liquid formulation comes in a convenient 300ml bottle with an easy-to-measure cap. The double action formula contains sodium alginate and antacid ingredients that work together to form a protective layer preventing acid reflux while neutralizing stomach acid. This medication can be taken after meals and at bedtime as needed. Always follow the recommended dosage instructions and consult a healthcare professional if symptoms persist.