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A significant number of dietary restrictions are imposed traditionally and uniformly on maintenance dialysis patients, whereas there is very little data to support their benefits. Recent studies indicate that dietary restrictions of phosphorus may lead to worse survival and poorer nutritional status. Restricting dietary potassium may deprive dialysis patients of heart‐healthy diets and lead to intake of more atherogenic diets. There is little data about the survival benefits of dietary sodium restriction, and limiting fluid intake may inherently lead to lower protein and calorie consumption, when in fact dialysis patients often need higher protein intake to prevent and correct protein‐energy wasting. Restricting dietary carbohydrates in diabetic dialysis patients may not be beneficial in those with burnt‐out diabetes. Dietary fat including omega‐3 fatty acids may be important caloric sources and should not be restricted. Data to justify …