Gaviscon Extra Peppermint Liquid brings long lasting relief from the pain and discomfort of heartburn and acid indigestion. It gets to work in two different ways:
1) By neutralising excess stomach acid to relieve pain and discomfort
2) It also forms a protective barrier over the stomach contents to soothe the burning pain in your chest which can last up to 4 hours.
DOSAGE For Oral use.
Each 10ml contains: Sodium Alginate (500mg), Sodium Bicarbonate (213mg) and Calcium Carbonate (325mg).
https://www.medicines.ie/medicines/gaviscon-extra-oral-suspension-32242/patient-info