PROTEIN

When your body digests protein, a waste product called urea is produced. If kidney function is diminished, this waste can build up in the blood and cause fatigue and loss of appetite. Because phosphorus is found in dairy protein, CKD patients are usually placed on a modest protein restriction in order to lower protein in the diet. In some patients a low protein diet can improve symptoms like nausea or vomiting. There isn't as much evidence, however, that even lower protein levels in the diet slow the progression of the disease. And too little protein can result in malnourishment, which can be an even worse problem for a CKD patient.

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