Your gut produces excessive gas for a number of reasons, swallowing too much air or changes in your diet, for example. Other common causes of gas are food intolerance and difficulty digesting certain foods. Below are certain foods which can produce more and more gas. If possible try to avoid.
Beans
Broccoli
Bananas
Corn
Onions
Soda
Raisins
Wheat/Oat
Starchy Foods (Potatoes/Pasta)
Milk/Dairy
AW: Arun Kumar