Do acid foods bother your bladder? For Bladder Symptoms or heartburn caused by foods. Take with any acid foods: Coffee, wine, fruit juices, tomato sauce. East to swallow. No advance planning is necessary. Works on the food - not on you. Prelief is the only product that takes out food acid from: coffee, tomato sauce, fruit juices, wine and many other favorite foods, even as you eat. Taking Prelief with these foods can often stop them from causing painful bladder symptoms.