In Each Softgel Other Information: Store at controlled room temperature 20-25 degrees C (68-77 degrees F). Protect from light, heat and moisture. Simethicone 125 mg / Antigas. No. 1 doctor recommended brand. Relieves gas fast. Pressure - bloating - discomfort. Gas-X Extra Strength Softgels offer fast, effective relief of pressure and bloating that antacids can't provide. They are specially formulated with simethicone, the antigas medicine doctors recommend most for pressure, bloating or discomfort referred to as gas. Gas-X Extra Strength Softgels are concentrated to contain liquid gas-fighting medicine in a small softgel so they are easy to swallow, and there is no chalky taste.