protein-kidney-health
Supplements-nutrition

البروتين بيضر الكلى؟ الدليل العلمي الكامل

نشر بواسطة
Aug 10 2025

الإجابة باختصار

In healthy adults, higher protein intake does not harm the kidneys. Systematic reviews of intakes well above the recommended allowance show no change in kidney function. The caution applies to people with existing kidney disease, for whom protein intake should be set by a doctor.

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References

  1. Changes in kidney function do not differ between healthy adults consuming higher- compared with lower- or normal-protein diets: a systematic review and meta-analysis. J Nutr, 2018.
  2. A systematic review of renal health in healthy individuals associated with protein intake above the US recommended daily allowance. Adv Nutr, 2018.

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أسئلة شائعة

Does protein powder damage kidneys?
No, for healthy individuals. Multiple meta-analyses and long-term studies show no kidney damage at intakes up to 2.2g protein per kg bodyweight in people without pre-existing conditions. Stay well hydrated.
How much protein is safe for kidneys per day?
The upper safe limit for healthy adults is not precisely defined, but studies show 2.2g/kg is safe. If you have existing kidney disease or reduced kidney function, consult a doctor before high protein intake.
Should I drink more water if I take protein supplements in UAE?
Yes. Protein metabolism increases nitrogen waste, which kidneys excrete in urine. In UAE's hot climate, aim for 3–4 litres of water daily when taking protein supplements, more on training days.
Does creatine damage kidneys in UAE heat?
Creatine does increase creatinine levels in blood — a standard kidney biomarker — but this reflects creatine metabolism, not kidney damage. Multiple studies confirm no kidney damage in healthy people. Hydration is key.