Along with beverages, it's also a good idea to know the foods for a healthy bladder and kidneys. If your bladder is sensitive, there are still foods you can enjoy without irritating it. You already know the foods you should avoid. Here are some bladder-cleansing foods you may want to eat: pears, bananas, winter squash, green beans, potatoes, whole grains, lean proteins, nuts, breads, eggs, pomegranates