What can I do to help flush my kidneys?

Why is kidney flushing important?

The kidneys are vital organs that filter waste and excess fluid from the blood. As blood passes through the kidneys, they remove toxins, acid, and other impurities, allowing clean blood to circulate back to the rest of the body. Over time, some waste can become trapped in the kidneys, causing a buildup that may eventually lead to kidney stones or other problems. Flushing the kidneys helps remove this buildup and allows the kidneys to function properly. Maintaining well-flushed kidneys can help prevent kidney disease and other complications.

How do the kidneys get flushed?

The kidneys constantly filter blood and produce urine, which flushes waste from the kidneys and body. However, sometimes additional steps may be needed to fully flush the kidneys. Hydration is key – drinking plenty of fluids, especially water, helps flush the kidneys by providing more liquid to filter. A healthy, balanced diet with nutrient-rich foods also supports kidney function. Exercise encourages circulation and blood flow to flush kidneys. Medications or supplements may also help flush kidneys in some cases.

What foods help flush the kidneys?

Many foods can act as natural diuretics or promote kidney flush. Options include:


Drinking plenty of water is the best way to flush the kidneys. Water dilutes waste concentrations and increases urine output. Aim for at least six to eight 8-ounce glasses per day. Adding lemon can further help flush kidneys.


Cranberries increase urine production to flush kidneys. They also contain antioxidants that may help prevent kidney stones. Drink cranberry juice or take cranberry supplements.


Apples are high in water content and fiber, both of which promote hydration and kidney flush. Apples also contain an antioxidant called quercetin that may protect kidney function.


Cucumbers are composed of nearly 96% water, making them ideal for hydration. They contain nutrients like antioxidants, vitamin K, and magnesium as well. The high water content combined with essential nutrients make cucumbers great for flushing kidneys.


Watermelon is another very hydrating food choice. It is made up of 92% water and also delivers electrolytes like potassium. Watermelon’s diuretic effect helps increase urine production to flush out more toxins.

Lemon Juice

Adding lemon juice to water can help stimulate kidney flush. Lemons increase citrate levels in urine, which helps break down kidney stones and prevents stone formation. Start with 1/2 lemon squeezed into water.


Ginger may help with kidney flush by increasing urine production. It also acts as a powerful anti-inflammatory. Try ginger tea or add ginger to food.

What drinks help flush the kidneys?

Some beverage options that can aid in kidney flush include:


Plain water should be your primary beverage. It hydrates the body, is free of calories and additives, and stimulates kidney function. Drinking plenty of water daily provides continuous kidney flush.


Certain herbal teas like ginger, dandelion, or green tea may have diuretic properties to help flush kidneys. Limit caffeinated teas which can sometimes irritate kidneys.

Cranberry Juice

Pure cranberry juice adds antioxidants and increases urine production. Choose unsweetened juice and drink in moderation due to the fructose content.

Lemon Water

Add fresh lemon juice to warm or cold water. Lemon water ups citrate levels to break down kidney stones and crystal formations. Use 1/2 freshly squeezed lemon per 8 oz. glass.

Vegetable Juice

Fresh juices made from vegetables like cucumber, celery, parsley, and carrots can provide hydration and important nutrients that support kidney health and function.

Apple Cider Vinegar

Add 1-2 tbsp apple cider vinegar to water. It acts as an alkalizer to help remove acid buildup in the kidneys and urine. Choose organic, unfiltered apple cider vinegar.

What foods should be avoided for kidney health?

Some foods may put extra strain on the kidneys or contribute to kidney problems. Foods to limit include:


Consuming too much sodium causes fluid retention, making kidneys work harder. Avoid adding extra salt and limit processed foods high in sodium.


Excess sugar is linked to kidney damage. Reduce intake of added sugars and sugary beverages like soda. Be mindful of fruits high in natural sugars as well.


Phosphorus may lead to kidney injury when consumed in excess. Limit processed foods, cheeses, nuts, and soda, which often contain phosphoric acid.


With kidney disease, potassium can accumulate to unsafe levels. Limit bananas, potatoes, tomatoes, and supplements with potassium.


Eating too much protein long-term places strain on the kidneys. Follow portion recommendations based on your health conditions.


Caffeine may cause kidney damage or aggravate conditions for those susceptible. Limit coffee, tea, soda, and chocolate.


Heavy alcohol use directly damages kidney function and structure. If you drink, do so in moderation. Know signs of alcohol abuse or dependency.

What supplements aid kidney flush?

Certain supplements may provide additional support for kidney health and function when used appropriately. Some options to consider include:


Dandelion is a natural diuretic that increases urine production to flush kidneys. Supplements may contain dandelion leaf, root, or a combination.


Cranberry supplements boost antioxidants and provide kidney-flushing benefits similar to the juice. Choose high-potency cranberry concentrate.


Buchu is an herbal supplement often used to treat urinary tract infections, kidney stones, and edema. It works as a diuretic, flushing kidneys.


Horsetail is a traditional medicine used for kidney and bladder health. It may help increase urine output to flush kidneys and provide anti-inflammatory effects.


Some research shows ginger may improve kidney function markers in those with kidney disease. Ginger acts as a diuretic and anti-inflammatory agent.

Lipoic Acid

The antioxidant effects of lipoic acid may protect kidney function and health. It is used to help slow progression of diabetic kidney disease.


Goldenrod contains flavonoids that act as diuretics, increasing urine flow. It is often used to help flush kidneys and treat urinary tract infections.

How can exercise help flush my kidneys?

Regular exercise provides several benefits for kidney flush and function:

Increases blood flow

Exercise gets the heart pumping, which increases blood circulation throughout the body. More blood flow allows the kidneys to filter higher volumes of blood more efficiently.

Makes kidneys work harder

When you exercise, your kidneys must work harder to filter excess lactic acid and uric acid from muscle use. This flushes the kidneys thoroughly.

Promotes sweating

Sweating during exercise helps expel salts, toxins and heavy metals from the body through the skin rather than filtering solely through the kidneys.

Reduces inflammation

Exercise has anti-inflammatory effects that may protect kidney structures and function. Chronic inflammation can lead to kidney damage.

Manages fluid levels

Staying active helps regulate electrolytes and fluid balance so the kidneys aren’t overburdened. This allows the kidneys to work more efficiently.

Aim for at least 150 minutes per week of moderate activity like brisk walking, cycling, or swimming to reap the kidney benefits.

What natural remedies help flush kidneys?

In addition to diet, supplements, and exercise, some other natural remedies thought to support kidney flush include:

Nettle leaf

Nettle leaf is a go-to herb to treat kidney stones and urinary issues. It may help flush uric acid from the kidneys.

Marshmallow root

Marshmallow root coats and soothes the urinary tract. This root is a diuretic that may help flush kidneys.

Hydrangea root

Hydrangea acts as a solvent to break down kidney stones. It is also used for urinary tract infections and prostate issues.

Chanca piedra

Used traditionally in South America, chanca piedra may help dissolve kidney stones to flush them from the kidneys and urinary tract.

Uva ursi

Also called bearberry, uva ursi has astringent properties that may help flush kidneys and treat UTIs and kidney infections.

Always check with a doctor before using herbal remedies, especially with kidney disease present. Monitor for any side effects.

When should I see a doctor about kidney flush?

Talk to your doctor if you experience any of the following signs of potential kidney problems:

  • Burning or pain during urination
  • Cloudy or bloody urine
  • Difficulty urinating
  • Increased urinary frequency or urgency
  • Feeling tired, confused, or swelling in the feet and ankles
  • Kidney stones
  • Rapid weight gain or loss
  • Consistently abnormal kidney lab test results

See your doctor promptly if you have diabetes, high blood pressure, or a family history of kidney disease, even without symptoms present. Get screened for kidney disease at least annually if at increased risk.

If you have chronic kidney disease, your doctor can recommend an appropriate kidney diet and prescribe medications to help slow disease progression. Dialysis or kidney transplant may eventually be needed for end-stage kidney failure.


Flushing the kidneys helps optimize their ability to filter waste from the blood. Stay hydrated by drinking plenty of water and herbal teas. Eat a diet with kidney-healthy foods like apples, berries, citrus fruits, and veggies. Avoid excess sodium, sugar, and alcohol. Take targeted supplements if needed, but discuss with your doctor first. Exercise, manage chronic conditions, and get checked by a doctor regularly to keep your kidneys functioning their best. With some lifestyle adjustments and awareness of your kidney health, you can help your kidneys stay clean and flushed.

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