Article · 4 min read
Low-Sodium Diet for Kidney Disease
How cutting salt protects kidneys and blood pressure, and practical ways to eat less sodium.
Last updated: 24/9/2026
Sodium (salt) raises blood pressure and makes the body hold fluid. For kidney patients, less salt means less swelling and less strain on the kidneys.
Ways to cut salt
- ✓Cook from scratch and reduce salt
- ✓Avoid processed, packaged and pickled foods
- ✓Skip papad, chips and high-salt snacks
- ✓Use herbs, lemon and spices instead of salt
How much
Your doctor or dietitian sets a daily limit, often around 2 grams of sodium or less.
Frequently Asked Questions
Is rock salt healthier for kidneys?
No — all salt is sodium. Fancier salts count the same.
Sources
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This page is for general education only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified doctor about your specific condition.