Energy requirements in this population are similar to those of healthy individuals; however, in more advanced
stages of CKD, higher caloric intakes (30 to 35 kcal/kg BW/day) may be required to maintain nitrogen balance while also maintaining serum albumin and the anthropometric markers of normal nutritional status. So, as the glomerular filtration rate (GFR) declines, caloric intake should increase toward the higher end of the range