Losec MUPS is a prescription medication containing 20mg of omeprazole, manufactured by AstraZeneca. This package contains 14 tablets designed for the treatment of various acid-related gastrointestinal conditions. Losec MUPS (Multiple Unit Pellet System) is a formulation of omeprazole that allows for convenient oral administration. The 20mg strength is commonly prescribed for acid reflux, heartburn, and other conditions where reduction of stomach acid production is needed. As this is a prescription medication, it should only be taken under the direction and supervision of a healthcare provider.