Eating foods rich in phosphorus is essential to maintaining optimal levels of ALP. Such foods include plain nonfat yogurt, skim milk, mozzarella, eggs, beef, chicken, halibut, salmon, turkey, whole-wheat bread, nuts, lentils and carbonated cola drinks, according to the Linus Pauling Institute.he bones, liver and bile ducts usually contain higher concentrations of ALP than other body tissues. Normal ALP levels range from a low of 44 international units per liter to a high of 147 International Units per Liter, according to MedlinePlus.