Onions are full of powerful antioxidants that help detoxify and cleanse the kidneys, thereby helping prevent many types of kidney-related health problems. Low in potassium, onions also contain chromium, a mineral that helps the body metabolize fats, proteins and carbohydrates.
They also have anti-inflammatory properties. Onions can be enjoyed raw or cooked in a variety of dishes. Eating raw onions can help treat kidney stones naturally.
8. Red Bell Peppers
Red bell peppers help break down toxic waste in the blood, and therefore contribute to kidney health. They are low in potassium and rich in vitamins A, B6 and C, folic acid and fiber.
When suffering from kidney problems, it is often advised to keep your potassium intake low because damaged kidneys may not be able to effectively filter potassium from your blood.
This tasty vegetable also contains lycopene, an antioxidant that protects against certain types of cancers. You can include red bell peppers in your diet in raw, baked, roasted, cooked or stuffed form.