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 take right as you eat. with any acid foods! 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. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.