Phosphorus is a mineral every cell in your body requires for proper function. Along with calcium, phosphorus plays an important role in bone health. Since phosphorus is present is most foods, dietary deficiencies typically occur as a result of near-starvation, according to the Linus Pauling Institute at Oregon State University. Alcoholism, diabetic coma and anorexia are also linked with phosphorus deficiencies. In such cases, your doctor may recommend eating high-phosphorus foods as part of an overall healthy diet.
Dairy Products
Dairy products are some of the richest food sources of phosphorus. One cup of nonfat milk contributes 247 mg of the 700 mg per day recommended for adults. One cup of yogurt supplies 385 g of phosphorus. Dairy products also provide valuable amounts of the bone-strengthening nutrients calcium and vitamin D, which is important since phosphorus deficiency can cause fragile bones, according to the University of Maryland Medical Center. Other phosphorus-rich dairy-based foods include mozzarella, cheddar, cottage cheese and creamy soups and sauces.
Meat and Eggs
Meat, including red meat and poultry, and eggs also contribute rich amounts of phosphorus. One large, cooked egg provides 104 g, 3 ounces of cooked beef provide 173 g and 3 ounces of cooked chicken provide 155 g. As valuable sources of protein, meat and eggs also promote immune system strength, which is important since low phosphorus levels can increase your risk for infection. Protein-rich foods also promote tissue repair and physical strength.
Nuts and Seeds
Nuts and seeds provide unsaturated fats, which promote brain function, cardiovascular health and nutrient absorption. Almonds contain 135 g of phosphorus per ounce. Almonds also contain calcium. Other phosphorus-rich nut and seed varieties include peanuts, cashews, pistachios, sunflower seeds, pumpkin seeds and flaxseed. Nut butters, such as peanut and almond butter, also supply valuable amounts. Since nuts and seeds are dense in calories, they provide a useful way of increasing your caloric intake if your appetite or weight is reduced.
Whole Grains
Grains provide glucose -- your body's main dietary source of energy. Whole grains contain all nutritious parts of the grain. As a result, they contain more fiber and nutrients, including phosphorus, than refined grains, such as white flour. Two slices of whole wheat bread provide more than 100 g of phosphorus. For additional amounts, top whole wheat bread with chicken or turkey slices and cheese. Whole grain pasta, cold cereals, oatmeal and rice dishes also contain significant phosphorus content.
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