Simecol activated charcoal & simethicone capsule is formulated for rapid relief of stomach and intestinal gas. The air or gas in stomach and intestine creates discomfort and abdominal pain. The bacteria in colon (large intestine) creates additional gas from certain food components which are not completely absorbed. Simecol release simethicone pellets which relieves gas in stomach instantly and enteric release activated charcoal removes trapped gas in intestine, making it ideal for all irritable bowel syndrome subtypes.