6 foods that can weaken your kidneys if consumed in large quantities.

Processed meats, soups, and fish sauces often contain a lot of salt; french fries and pizza are rich in saturated fat, which can put a strain on the kidneys if consumed in large quantities.

The kidneys have many roles, including balancing fluids, electrolytes, and dissolved substances to filter water and waste products from the blood. Two chronic diseases that increase the risk of kidney disease are diabetes and high blood pressure. Kidneys can also be damaged if you don't maintain healthy habits, including consuming unhealthy foods. Below are six foods to avoid or limit to protect your kidneys.

Processed meat

Processed meats such as bacon, sausages, cold cuts, and hamburgers can be harmful to the kidneys. They are high in sodium (salt), and consuming more than 2300 mg per day increases the risk of high blood pressure, putting extra strain on the kidneys.

Eating too much animal protein also produces more acid in the blood, forcing the kidneys to work harder to eliminate it.

Pizza

Pizza typically consists of a crust, a tomato sauce high in sodium, fatty cheese, and processed meats like sausage. Both sodium and saturated fat are unhealthy components, including for the kidneys, if consumed regularly.

To make a nutritious pizza, you can prepare it with some ingredients such as no processed meat, a little extra cheese, broccoli in the topping, and a crust made from whole wheat...

Pizza is often high in salt and saturated fat, which is bad for the kidneys. Photo: Ha Phuong

Soup

Soup is a light meal that helps reduce hunger or soothe a sore throat when experiencing cold or flu symptoms. However, this dish contains a lot of salt, even homemade, because it often contains broth from beef, chicken, or vegetables. It is estimated that each cup of soup contains over 800 mg of sodium, which can overload the kidneys.

Try making soup with vegetables, herbs, and spices, using less salt to add flavor to the dish. People with weak kidneys should avoid soup to reduce the burden on their kidneys.

French fries

French fries are not good for the kidneys. They also contain a lot of potassium, a mineral whose intake needs to be controlled if the kidneys are damaged, especially for people with stage 3 chronic kidney disease.

Besides french fries, you should avoid fried foods and fast food in general to protect your heart and kidneys from disease. Fast food is often high in saturated fat, sugar, and calories, and low in nutrients. A healthy diet for the kidneys should primarily consist of a variety of fruits, vegetables, and complex carbohydrates.

Soy sauce, fish sauce

Soy sauce, like fish sauce and other sauces, often contains high levels of sodium, potentially up to 950 mg of sodium per tablespoon, nearly 50% of the daily recommended intake (DV). To reduce salt intake, families can substitute with lower-sodium ingredients such as mushrooms, tomato paste, nutritional yeast, or vinegar.

Soft drink

Soft drinks are high in sugar and low in nutritional value. They can add extra calories to your diet and increase the risk of hyperglycemia. Prolonged high blood sugar can damage blood vessels in the kidneys, increasing the risk of kidney disease.

Another ingredient found in many sodas is phosphoric acid. This substance can alter the composition of urine, potentially leading to kidney stones in the long term. Replacing sodas with healthier flavored drinks like herbal tea may be beneficial.

Bao Bao (According to Eat This Not That, Eating Well )

Readers can submit questions about kidney disease here for doctors to answer.

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