Foods That Promote Kidney Health

Do you have diabetes or hypertension? Did you know they’re the two main causes of chronic kidney disease?

Chronic kidney disease (CKD) is ugly. Though you may not feel ill at first, CKD often leads to kidney failure, dialysis, and kidney transplants. The good news: Science is learning that certain foods promote kidney health. In fact, a healthy diet like Pritikin may actually halt the progression of kidney disease to kidney failure.

Best Foods That Promote Kidney Health

Recent research has found that foods that promote kidney health are often the very same foods that promote heart health.

Foods That Promote Kidney Health | Fruits and Vegetables

Recent research1 at Texas A & M University Medical Center found that the addition of only three servings of fruits and vegetables daily proved as beneficial as prescription drugs in treating chronic kidney disease (CKD).

Given the limited media coverage of CKD, you might reasonably ask, “What exactly is chronic kidney disease?”

Kidney Health is Important

Kidney health is important for our well-being. Every day, our kidneys filter about 200 quarts of blood, removing wastes and extra fluid from the body.

Chronic kidney disease is not some rare, esoteric illness. More than 26 million American adults have it.2 That’s roughly 1 of every 10 Americans. Approximately 1 of 3 adults with diabetes and 1 of 5 adults with high blood pressure has CKD, reports the Centers for Disease Control and Prevention.3

What Is Chronic Kidney Disease (CKD)?

Chronic kidney disease results from damage to the kidneys. It is a gradual decrease in the kidneys’ ability to remove waste and balance the body’s chemistry. Left untreated, CKD can lead to kidney failure, dialysis, kidney transplant, and death.

The National Kidney foundation4 lists the many additional complications that arise from having chronic kidney disease. They include anemia, weakened bones, nerve damage, heart failure, and hypertension. (Yes, hypertension is both a cause and effect of chronic kidney disease.)

Control Hypertension and Diabetes, Control CKD

While these facts paint an alarmingly dark picture, there is a bright side. The two leading causes of CKD—high blood pressure and type 2 diabetes—can be prevented or controlled, often with healthy diet and exercise and with limited or no medication, as research on the diet and exercise program taught at the Pritikin Longevity Center has consistently documented.5

Foods That Promote Kidney Health

The National Institutes of Health6 spells out the best foods for promoting kidney health and helping slow down chronic kidney disease. They are the same foods recommended by the Pritikin Eating Plan.

Recommends the National Institutes of Health:

  • Choose foods that are healthy for your heart, like fruits, vegetables, beans, fish, skinless chicken, and lean cuts of meat.
  • Select the right kinds and smaller amounts of protein. The right kinds are plant proteins like beans and other legumes, and lean animal protein like fish, skinless chicken and lean meat. Smaller amounts, as recommended by the Pritikin Eating Plan, are no more than 4 ounces of fish/chicken/meat daily.
  • Choose and prepare foods with less salt (sodium). The Pritikin Eating Plan recommends no more than 1,500 mg of sodium daily, as does the American Heart Association7  and Centers For Disease Control.8.
Salt and Chronic Kidney Disease

For kidney health, cut out salt (sodium). The Pritikin Eating Plan recommends no more than 1,500 mg of sodium daily, as does the American Heart Association7 and Centers For Disease Control.8

Salt and Chronic Kidney Disease

Researchers have identified salt as a primary culprit not only in causing high blood pressure but also in the development and progression of CKD and related health issues.

When you lower salt intake, very good things happen. A recent Tulane University study9 of nearly 3,800 subjects with CKD, for example, demonstrated that those on a low-salt diet were nearly 50% less likely to suffer heart failure, heart attacks, or strokes compared to those eating high amounts of salt every day.

In a 2013 article in the Journal of the American Society of Nephrology,10 Australian researchers found that a low-salt intake by patients with CKD could reduce blood pressure as effectively as anti-hypertensive medication. The resulting improvement in kidney function promised to reduce kidney failure by 30%.

In a study newly published in the Clinical Journal of the American Society of Nephrology,11 scientists from the University of Michigan found that when kidney disease patients were taught by dietitians to limit salt intake, their systolic blood pressure fell on average 11 points, and in just four weeks. What’s more, reduced salt intake reduced excess fluid retention, common among people with kidney disease.

More on Fruits and Veggies

To halt the progression of kidney disease, fill your day with big, delicious servings of fruits and veggies.

Concluded lead author Dr. Rajiv Saran and colleagues, lowering sodium is a simple approach, but powerful in its potential to improve the health of CKD patients.

More on Fruits and Veggies

Still another study12 complements the findings of the earlier-discussed Texas A &M University research that found that eating fruits and vegetables daily helps control CKD. This study, from UC San Francisco, documented that people with CKD who ate a diet low in fruits and vegetables and high in meat appeared to face triple the risk of kidney failure compared to those eating diets high in fruits and vegetables and low in meat.

Foods That Promote Kidney Health | Summing Up

Sometimes, preventing and controlling major health problems like chronic kidney disease really may be as simple as following a very healthy diet like the Pritikin Eating Plan, a growing body of research is finding. In summary, to promote kidney health:

  • Limit meat to no more than 4 ounces daily, and stick to lean sources like fish, white poultry, and free-range, grass-fed game meat like bison and venison.
  • Limit sodium intake to no more than 1,500 mg a day.
  • And fill your day with big, delicious amounts of fruit, vegetables, beans, and whole grains.

In doing so, you’re not only curbing chronic kidney disease, you’re multiplying your chances of controlling the two major causes of chronic kidney disease: high blood pressure and type 2 diabetes.

One final bonus of eating well: It’s a great opportunity to avoid or reduce the costs and side effects of medications.

Bottom line: With healthy eating and daily exercise like the Pritikin Program, you have a simple, low-cost solution with huge health benefits.

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