A number of foods can lead to increase gas production in the colon with subsequent flatus. This is usually due to the effect of colonic bacteria on undigested sugars.
Dairy products (in lactase deficiency):
(1) milk
(2) cheese
Vegetables:
(1) asparagus
(2) beans
(3) broccoli
(4) Brussel sprouts
(5) cabbage
(6) cauliflower
(7) dietary fiber
(8) garlic
(9) leaks
(10) mushrooms
(11) nuts
(12) onions
(13) spices
(14) sweetcorn (high in fructose)
Beverages with dissolved gases and/or high in fructose:
(1) sodas
(2) fizzy water
(3) beer
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