Here are some foods which are worst for your belly.
Beans and Nuts
Garlic, Onions, and High-Fiber Cousins
The body’s inability to digest a kind of fiber, called fructan, in these foods can cause flatulence. This fiber (another FODMAP) seems to cause more symptoms than some other kinds, but that may simply be because we eat so much of it.
Excess Fructose (in Apples, Honey, Asparagus)
Foods with a lot of fructose (another FODMAP) compared with glucose can contribute to gas, bloating, and diarrhea. A 2008 study in the Journal of Clinical Gastroenterology found that patients with IBS who followed a non-fructose diet had fewer symptoms.
Natural and Artificial Sweeteners
Sugar alcohols, low-carb sweeteners naturally found in some foods and added to others, are another FODMAP. They don’t easily pass through our cell walls, so gut bacteria digest them, which can cause gas and bloating. Found in: some fruits (apples, blackberries, nectarines, peaches, pears, plums), vegetables (cauliflower, mushrooms, snow peas), artificial sweeteners (isomalt, mannitol, polydextrose), sugar-free foods.
Three types of dietary fat are linked to inflammation and thus contribute to excess belly fat: Tran’s fats, saturated fats, and omega-6 fats. Found in: packaged foods (trans fats), processed and high-fat cuts of meat, full-fat dairy, some candy (saturated fat), corn oil, grape-seed oil, soybean oil, safflower oil, sunflower oil (omega-6 fats).