When creatinine is elevated, it’s a sign that your kidneys may be overworked or malfunctioning. Reducing your intake of certain foods—especially those high in sodium, potassium, and phosphorus—can help relieve kidney work.
1. Canned foods
They usually contain a large amount of sodium as a preservative. Opt for “low-salt” or no-salt-added versions, and rinse their contents before consuming.
2. Wholemeal bread
Despite being nutritious, it has more potassium and phosphorus than white bread. It is advisable to moderate its consumption.
3. Brown rice
Like whole-grain bread, it contains more minerals than white rice. You can substitute bulgur, buckwheat, or couscous.
4. Avocado
Very healthy in general, but rich in potassium – almost 700 mg per piece – which makes it inadvisable in restrictive diets.
5. Bananas
With about 420–480 mg of potassium per unit, its intake should be controlled when there is renal risk.
6. Full-fat dairy
They contain phosphorus, potassium and proteins in high quantities. They can impair bone health and overload the kidneys.
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