Why do beans cause gas, and how can I reduce symptoms?
Some carbohydrates in beans reach the colon, where bacteria ferment them and produce gas. Tolerance varies by person and portion. Beans are nutritious and do not always need removing. Smaller portions, gradual changes and review of eating habits may help.
Details
Change one factor at a time
Reduce large portions, eat slowly and note fizzy drinks or other triggers. A food and symptom diary is more useful than immediately removing many food groups.
Can enzymes help?
Alpha-galactosidase may help some people digest particular carbohydrates, but studies are limited and it does not treat every cause of bloating. Ask a pharmacist rather than assuming a product suits children or every medical condition.
Recognise warning signs
Persistent bloating with weight loss, blood in stool, vomiting or severe pain needs assessment. A low-FODMAP approach may help selected IBS cases with guidance and reintroduction; it is not a permanent restriction for everyone.
Related reading: Can peppermint oil help relieve irritable bowel syndrome?.