Can lettuce cause excess gas if you donot have a gallbladder?

Yes: Lettuce is a food that commonly causes gas whether you have a gallbladder or not. Gallbladders store bile which helps digest fats, so people often have a harder time digesting fats after gallbladder surgery. I advise taking bile salts/fat-digesting enzymes in those without gallbladders. Having no gallbladder should not increase gas from lettuce.Carbohydrate-digesting enzymes & probiotics may help.