Gas-X® Extra Strength Softgels. Antigas. Simethicone 125 mg. G-X. Relieves gas fast. Pressure. Bloating. Discomfort. # 1 doctor recommended ingredient. 50 softgels. 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. 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. Use for the relief of: Pressure, bloating, and fullness commonly referred to as gas. Questions or comments Call 1-800-452-0051 24 hours a day, 7 days a week. ©2008.