Stomach ulcers are caused by bacteria called Helicobacter pylori or by taking very acidic food or medicine. This means that when you have ulcer you should avoid spicy and acidic foods. Apple has an alkali like effect and this means that it results in neutralizing the acidic effect of ulcer. It is also very helpful if you take a table spoon of apple cider as well daily for the ulcer. It also helps in flushing the contents of the stomach quickly which reduces stress on the stomach. It also has vitamin K that helps stop the internal bleeding due to the ulcer. It also has an antiseptic effect that inhibits bacterial growth.