The powder sachets for gastro-oesophageal reflux disease in infants under the age of two years are in short supply because of a shortage of the key active ingredient called medical grade sodium ...

This seaweed species is used to create medical grade sodium alginate, which is the key ingredient in Gaviscon. “The shortage is a consequence of poor weather conditions and low harvest yields ...

The difference is the number of active ingredient they contain: Gaviscon Advance has twice as much sodium alginate as the others - 1,000mg per 10ml, while Gaviscon Double Action has twice as much acid ...

Alginates also have proven efficacy. The aim of this trial was to compare short-term efficacy of an alginate (Gaviscon®, 4 × 10 mL/day) and omeprazole (20 mg/day) on GERD symptoms in general ...