Foods You Shouldn’t Eat If You Have High Creatinine

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.

7. Oranges and orange juice

Both are rich in potassium (approx. 330 mg in large fruit and 440–460 mg in juice). Alternatives such as grapes, apples or blueberries with less potassium are available. plums)

8. Dried fruits (apricots, raisins, plums)

Highly concentrated in potassium: dried apricots reach up to 1,500 mg per cup. They should be avoided.

9. Potatoes (potatoes) and sweet potatoes

High in potassium (about 540–610 mg per medium unit). You can reduce the mineral content by cooking or soaking them before cooking.

10. Tomatoes and tomato-based sauces

One cup of ketchup can contain up to 700–900 mg of potassium, depending on the source. It is advisable to limit its consumption.

11. Processed meats

Ham, sausages, sausages, etc., contain a lot of sodium and phosphorus, as well as protein. Its consumption should be moderate.

12. Pickles, olives and pickles

All are high in sodium. Although there are versions with lower salt, they are still a significant burden.

13. Salty snacks (chips, pretzels, crackers)

In addition to sodium, potato chips provide potassium, which makes them unsuitable snacks.

What favorable foods can be added to the kidney diet?

Although the article focuses on foods to avoid, it is valuable to add recommendations based on recent sources:

• Dark leafy vegetables, tart cherries, tofu, flaxseed, and garlic help reduce inflammation, control blood pressure, and support kidney function.

Final reflection:

Limiting or avoiding these 13 foods can help ease kidney load, especially when creatinine levels are elevated. At the same time, incorporating foods with anti-inflammatory and nutritious properties promotes a balanced approach.

Important: Remember that each case is unique: nutritional requirements can vary depending on the state of health, so the most prudent thing to do is to consult a nephrologist or specialized nutritionist.

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