10 Superfoods to Increase Kidney Function


Kidneys do not always get as much press as does the heart or liver, but it is every bit as important to the body’s overall health. Kidneys help to remove extra water as well as waste products and toxins from the body in the form of urine and also helps to maintain the body’s fluid and electrolyte balance. Below are ten of the best foods to eat to keep the kidneys healthy and functioning at their best.


Cabbage is an excellent food for kidney health because it contains strong antioxidants which help protect the kidneys from damage by free radicals; it is also a rich source of Vitamins B, C and K which help support kidney health as well as fiber and folic acid.


Strawberries, cranberries and other similar fruits are also great for the kidneys: they are rich in Vitamin C, folate and manganese and have strong anti-oxidant and anti-inflammatory properties which help to nourish and protect renal health.


Fatty fish like salmon or sardines contain Omega-3 fatty acids that are powerful anti-inflammatories and it has been found that regular consumption of such fish reduces the level of proteins in the urine of diabetic patients.

Egg Whites

Eggs whites are also recommended for people with kidney disease, as they provide high-quality protein without placing the same burden on the kidneys that egg yolks can. It also provides essential amino acids necessary for good kidney function.

Olive Oil

The oleic acid in olive oil reduces oxidation damage to the kidneys and its polyphenols help to reduce inflammation there and promote overall kidney health. It is best to use extra virgin olive oil to receive maximum health benefits.


Garlic’s anti-inflammatory properties protect the kidneys from inflammation-related problems and it can also specifically protect the kidneys against heavy metals and their potentially harmful side effects. It can be used minced, powdered or fresh.


The antioxidant properties of onions can help to cleanse and detoxify the kidneys and promote overall renal health. Onions are low in potassium (too much of which can cause problems for people with kidney disease) but also high in chromium, which is needed for good kidney function.

Red Bell Peppers

Red bell peppers are also good for the kidneys as they can help to break down toxins in the bloodstream and thus lower the burden on the kidneys. They are also low in potassium but rich in folic acid, fiber, and vitamins A, B and C.


Cauliflower is a rich source of indoles, thiocyanates and glucosinolates which are all natural compounds that enable the liver to be more efficient at detoxification and thus reduces the workload of the kidneys. It also contains powerful antioxidants.


Fiber-rich and possessing strong antioxidant properties, apples are great for kidney health. They also have been proven to help reduce the risk of develop urinary tract infections and kidney stones. They also are a great source of many vitamins and minerals.

If concerned about kidney health, consult a medical practitioner and also consider the regular consumption of these foods. They can all help to promote renal health and keep kidneys functioning at their best.

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Sandeep Godiyal
Sandeep has written many health field articles for both Internet and print publication. His areas of expertise including traditional medicine, alternative and naturopathic and natural treatments, wellness, medical marijuana, diets and fitness.