Some people develop diarrhea, gas, or both when they consume these substances. Artificial sweeteners: Sorbitol and mannitol are common in candies, chewing gums, and sugar-free sweet foods.Celiac disease: Intolerance to the protein gluten means that people with celiac disease have excessive flatulence when they consume barley, wheat, and rye.In people with lactose intolerance, this produces large amounts of gas. Lactose intolerance: When people consume food that contains lactose, such as milk, and lack the enzymes to break it down, the bacteria feed on the lactose.When the complex carbohydrates reach the lower intestine, bacteria feed on them and produce gas. Complex carbohydrates: Complex carbohydrates in beans are difficult for humans to digest.Here are some reasons why some foods cause more gas, but there are others. vegetables such as cabbage, onions, and Brussels sprouts.Inulin belongs to a class of dietary fibers known as fructans.Įxamples of foods that can worsen flatulence include: When these items pass to the large intestine, bacteria begin to break them down, creating gas.įoods that cause flatulence tend to be those high in certain polysaccharides, particularly oligosaccharides, such as inulin. Why do some foods cause more gas?Ĭertain foods contain sugars, starches, and fibers that the body cannot fully digest. Gas may arise as a by-product of the partial digestion of certain foods. We swallow air when we eat, drink, or swallow saliva, especially when the body produces excess saliva due to nausea or acid reflux.Įndogenous sources are inside the gut. Flatulence can result from normal bodily processes, or it may stem from a condition affecting the digestive system.Įxogenous sources are those that come from outside.

Fart sounds