Advancis Easylax Charcoal is a food supplement with charcoal and fennel. Activated charcoal is traditionally used to relieve flatulence, as it has the ability to absorb intestinal gases, helping to reduce intestinal discomfort and the feeling of an enlarged abdomen. Fennel has also been traditionally used in situations of flatulence and a bloated belly. This plant is also used as a digestive stimulant.