Activated charcoal contributes to reducing excessive flatulence after eating. Lifeplan's WindAway activated charcoal is unique because it is steam activated, which increases its absorptive power. Most activated charcoal is chemically treated to achieve the same affect. WindAway is not chemically treated. Activated charcoal contributes to reducing excessive flatulence after eating. Lifeplan's WindAway activated charcoal is unique because it is steam activated, which increases its absorptive power. Most activated charcoal is chemically treated to achieve the same affect. WindAway is not chemically treated.