A chronic and recurrent stomach ulcer, if not treated promptly and carefully, can lead to further complications such as bleeding and other diseases. 2-Choose the one that is convenient for you from the following methods, which are natural remedies for stomach ulcers. Vitamin E banana, honey garlic , cabbage , Licorice and are 3- Taking 300 grams of vitamin E daily for 7 or 10 days can help.