ACID REDUCER: Omeprazole 20 mg is a Proton Pump Inhibitor (PPI) that deactivates pumps in the stomach lining to inhibit acid production at the source. 14-DAY COURSE OF HEARTBURN TREATMENT: Taken once every 24 hours for 14 days, Omeprazole Delayed Release Tablets 20 mg canadianpillsbuy.com ...