Gasec 20mg is a proton pump inhibitor medication containing Omeprazole as the active ingredient. Each package contains 14 tablets, with each tablet containing 20mg of Omeprazole. The medication is manufactured by Acino Pharmaceuticals. This is a prescription medication that comes in tablet form. The product packaging includes a box and bottle containing the tablets. As with all medications, this should only be taken under the direction and supervision of a healthcare provider.