Having bad flatulence is usually a sign of some bad digestion going on inside your stomach. Hyland's Upset Stomach is a traditional charcoal-based homeopathic formula for the relief of symptoms of flatulence, belching and gas due to improper digestion or gastric upset.* It�s safe to use with other medicines, and can be used by both kids and adults. * The uses for our products are based on traditional homeopathic practice. They have not been reviewed by the Food and Drug Administration.