Charcoal Tablets for uncomfortable bloating and embarrassing wind, especially after meals, charcoal works to prevent a build-up of intestinal gas. Each tablet contains 334mg of activated charcoal, which absorbs impurities in the digestive system, including trapped intestinal gas and hydrogen sulphide – the cause of smelly wind! It may also absorb other toxins which cause gastrointestinal problems, and so can be used as a treatment for IBS when excess wind is present