However, food manufacturers are not required to list the exact amount of additive phosphorus on the food label. Rather, it’s found in the form of salt and highly absorbable by the intestinal tract ( 7).Īdditive phosphorus can typically be found in a product’s ingredient list. Unlike natural phosphorus, phosphorus in the form of additives is not bound to protein. Your body absorbs this added phosphorus to a greater extent than natural, animal-based, or plant-based phosphorus ( 6). Many food and beverage manufacturers add phosphorus during processing to enhance flavor, prolong shelf life, and prevent discoloration. In addition to the calories and sugar that sodas provide, they harbor additives that contain phosphorus, especially dark-colored sodas.

Here are 17 foods that you should likely avoid on a renal diet.

However, those with end stage renal disease undergoing dialysis have an increased protein requirement ( 5). Therefore, individuals with chronic kidney disease of all stages, especially stages 3–5, should limit the amount of protein in their diets unless they’re on dialysis ( 3, 4). Potassium and phosphorus are still a concern for people with kidney disease, but they should work closely with their doctor or dietitian to determine their personal limits for these nutrients, which are usually based on lab results.ĭamaged kidneys may also have trouble filtering the waste products of protein metabolism. The National Kidney Foundation’s most recent Kidney Disease Outcomes Quality Initiative (KDOQI) guidelines don’t set specific limits on potassium or phosphorus ( 3). As a result, they’re at a higher risk of elevated blood levels of these minerals.Ī kidney-friendly diet, or renal diet, usually limits sodium to under 2,300 mg per day, as well as your potassium and phosphorus intake. In those with chronic kidney disease, the kidneys cannot adequately remove excess sodium, potassium, or phosphorus.

The majority of those with late or end stage kidney disease will need to follow a kidney-friendly diet to avoid a buildup of certain chemicals or nutrients in the blood. Dialysis is a type of treatment that removes extra water and filters waste. Those with end stage renal disease who require dialysis will also have varying dietary restrictions. Dietary restrictions vary depending on the stage of kidney disease.įor instance, people with early stages of chronic kidney disease will have different dietary restrictions than those with end stage renal disease, or kidney failure.

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