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Published on: 11/18/2024

Are There Any Kidney-Friendly Foods That Lower Creatinine?

While no single food magically lowers creatinine, a kidney-friendly diet rich in fiber and with controlled protein intake can help manage creatinine levels, especially for those with chronic kidney disease (CKD).

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Explanation

Creatinine is a waste product filtered by the kidneys. High levels can indicate kidney problems. Managing creatinine often involves a combination of medical treatment and dietary adjustments.

Fiber and Creatinine:

Studies suggest that increasing fiber intake can help lower creatinine levels in people with CKD. Fiber, found in foods like fruits, vegetables, and whole grains, can bind to certain waste products in the gut, reducing their absorption and potentially lessening the burden on the kidneys.

Protein and Creatinine:

Protein is essential for the body, but excessive protein intake can increase creatinine production. For individuals with CKD, managing protein intake is often necessary. This doesn't mean eliminating protein entirely but rather working with a doctor or registered dietitian to determine the appropriate amount.

Kidney-Friendly Foods:

A kidney-friendly diet generally emphasizes:

  • Fruits and vegetables: Apples, berries, grapes, carrots, and leafy greens are good choices.
  • Whole grains: Oats, brown rice, and whole-wheat bread provide fiber and nutrients.
  • Controlled portions of lean protein: Fish, poultry, and beans offer protein without excessive amounts of phosphorus and potassium, which can be problematic for people with kidney issues.

Important Note:

Dietary changes alone may not be enough to significantly lower creatinine levels, especially in advanced CKD. It's crucial to follow your doctor's recommendations and work with a registered dietitian to create a personalized meal plan that meets your specific needs. Self-treating or drastically changing your diet without professional guidance can be harmful.

(References)

  • Salmean YA, Segal MS, Langkamp-Henken B, Canales MT, Zello GA, Dahl WJ. Foods with added fiber lower serum creatinine levels in patients with chronic kidney disease. J Ren Nutr. 2013 Mar;23(2):e29-32. doi: 10.1053/j.jrn.2012.04.002. Epub 2012 Jun 26. PMID: 22739658.

  • Lew SW, Bosch JP. Effect of diet on creatinine clearance and excretion in young and elderly healthy subjects and in patients with renal disease. J Am Soc Nephrol. 1991 Oct;2(4):856-65. doi: 10.1681/ASN.V24856. PMID: 1751789.

  • van Westing AC, Küpers LK, Geleijnse JM. Diet and Kidney Function: a Literature Review. Curr Hypertens Rep. 2020 Feb 3;22(2):14. doi: 10.1007/s11906-020-1020-1. PMID: 32016564; PMCID: PMC6997266.

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Dr. Kenji Taylor

Family Medicine, Primary Care Roots Community Health Center, Hippo Education, Kameda Medical Center

Kenji Taylor, MD

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