The control of phosphatemia has been increasingly recognized as an important strategy for dialysis patients' because hyperphosphatemia is a risk factor for cardiovascular diseases, progression of kidney disease, and mortality in chronic kidney disease (CKD) as a whole.1 The prevention and correction of hyperphosphatemia are important components of CKD, achieved by dietary phosphate restriction, phosphate binders administration, and adequate dialysis.1 In this context, we emphasize the importance of knowledge about the phosphate content in food and we developed the “phosphate traffic light”, as a new tool for nutrition education and suggestion to improve nutrition labels.