Gaviscon works by forming a raft over stomach contents which helps to prevent the stomach contents including acid from flowing back up into the esophagus (food pipe), effectively relieving heartburn symptoms. Soothes in 3 minutes Lasts up to 4 hours. Contains natural seaweed* Can be taken at bedtime & after meals Suitable for adults & children over 12 years Suitable for use during pregnancy & breastfeeding. Do not refrigerate Keep all medicines safely away from children Manufactured by Reckitt