Acidic foods
Meat, tomatoes and tomato products such as tomato sauce and ketchup, vinegar and vinegar-based products like pickles, mustard, and salad dressings, berries like strawberries, blueberries, and raspberries, pineapple, apples and apple products like cider and vinegar, grapes, sour cream and other dairy products that have been fermented or cultured, carbonated drinks like soda and sparkling water.