DetailsSimethicone 125 mg. Relieves gas fast. Pressure; Bloating; Discomfort. Doctor recommended ingredient. 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. They are specially formulated with simethicone, the antigas medicine doctors recommend most for pressure, bloating or discomfort referred to as gas. For the relief of pressure, bloating, and fullness commonly referred to as gas.DirectionsAdults: Swallow with water 1 or 2 softgels as needed after meals and at bedtime. Do not exceed 4 softgels in 24 hours except under the advice and supervision of a physician. Store at a controlled room temperature 20-25 degrees C (68-77 degrees F). Protect from heat and moisture.