Health & Medical stomach,intestine & Digestive disease Avoid Chocolate and mints About Health & Medical Wednesday, May/22/2024 Wednesday, May/22/2024 49 106 Share 0 Updated June 09, 2015.These have two affects on heartburn sufferers: They relax the LES, and they increase the amount of acid the stomach produces.Food ChartsFoods with little risk of causing heartburnFoods to be consumed with discretionFoods to be avoided