Poly's Medicinal Charcoal Capsule adopt Medicinal Activated charcoal to make into micro-pellets, which can well treat flatulence and lientery. It works by attracting excess gas in the stomach and bowels, which binds to the surface of the charcoal powder. It has no direct action on any organ of the body. It does not enter the blood stream nor is the charcoal itself adsorbed into your body. This relieves the discomfort caused by excess gas (flatulence), wind, indigestion and heartburn.