Regular assessment of nutritional status in patients with chronic kidney disease (CKD) is needed to appropriately detect individuals at risk or suffering from protein-energy wasting who may benefit from adequate nutritional and therapeutic management.1,2 In the absence of dedicated renal dietitians, most clinics are left to base their clinical monitoring on easily accessible nutritional indicators.3,4 In this issue of the journal, 4 interesting studies highlight the importance of body composition over body size and the role that bioimpedance techniques are playing in this regard.