Nephron. Clinical practiceJan 18, 2014

Nutrition, Phosphate Levels, and Kidney Protection

Circadian Biology Weekly Brief ↗PubMed ↗DOI ↗

Updated Apr 6, 2026

Abstract

Dietary management may significantly impact the progression of chronic kidney disease (CKD).

Limiting intake of potassium, phosphorus, and salt is essential in managing CKD.
Restricting dietary protein could help slow kidney damage, though this remains debated.
Healthy dietary choices may influence inflammation and oxidative stress in patients with moderate to advanced CKD.
Evidence addressing malnutrition and protein-energy wasting before dialysis initiation is currently limited.

Simplified

Dietary management of chronic kidney disease (CKD) focusses on limiting the intake of substances that might accumulate to toxic levels (such as potassium, phosphorus or salt) and, although still a matter of debate for some, restricting dietary protein to retard kidney damage. Recent evidence brings the opportunity to revisit the role of a healthy diet on disease progression and on some of the cardiometabolic complications of moderate/advanced CKD, such as inflammation or oxidative stress control. This review provides a brief overview of dietary strategies that delay CKD progression and CKD complications, and discusses currently limited data addressing the development of malnutrition and protein-energy wasting before dialysis initiation.

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Nutrition, Phosphate Levels, and Kidney Protection

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