 Dietary protein is the major source of nitrogen excreted as urea by the kidney, and a decreased protein intake has been associated with a retardation of kidney function loss in non-dialysis chronic kidney disease CKD patients. While a low protein diet is recommended to end-stage renal disease ESRD patients before the start of dialysis to preserve residual renal functionRRF, current therapy recommendations in dialysis are for a normal protein intake of no less than 1.2 g of proteinkg ideal body weight IBWday to prevent protein-energy wasting PEW. 