The kidneys are a marvel of biological engineering, filtering 200 liters of blood per day without much ado. However, there are certain types of food that help with this task by decreasing inflammation, boosting filtration capacity, and minimizing the amount of waste products that need to be filtered out.
The first thing that needs to be mentioned here is asparagus. As the article from Healthline claims, it is a powerful diuretic that helps filter out excess fluids, uric acid, and salt. Kidney patients at early stages of the illness can even notice changes in the trend of the concentration of creatinine. The other vegetables that help kidneys include beets that decrease inflammation through betaine and nitrates despite the risk of calcium oxalate stone formation among their consumers.
It turns out that celery also helps the kidneys significantly. For starters, it stimulates urination and contains luteolin that is proven to inhibit kidney inflammation on cellular level. Cucumbers work almost identically because of a large amount of water and very low amounts of potassium that can cause overload of the organs. In addition, garlic needs to be emphasized because it is able to prevent nephrotoxicity and decreases oxidative stress in the cells.
The worth of cabbage comes from the fact that it's low on both potassium and phosphorous, minerals that tend to be hard for the kidneys to control during times of stress, but it provides important antioxidants and fiber regardless. Like the cabbage, red bell peppers offer all of that in addition to lycopene, a nutrient that helps prevent kidney inflammation.
In all honesty, there is no vegetable that can “clean” your kidneys, at least not in the literal sense. But what it does for you is help reduce inflammation and filtration load on the organs.
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