Cranberry Juice: Are There Health Benefits? (2024)

Cranberries (Vaccinium oxycoccos or Vaccinium macrocarpon) are small, red berries native to the United States and Canada. They grow on creeping, low-lying vines, and do best in peat-based soil and damp conditions. Cranberries are closely related to blueberries, bilberries, and huckleberries.

The United States is the world’s largest producer of cranberries. The state of Wisconsin alone produced 4.1 million barrels in 2021.

Cranberry juice might not be as popular as orange or apple juice, but it’s a delicious beverage with many health benefits. Some people drink it to help prevent urinary tract infections. While this is one of the most common reasons why people drink it, cranberry juice offers several other health benefits.

Nutrition Information

In addition to antioxidants, cranberry juice offers small amounts of several vitamins and minerals, including:

One cup of unsweetened cranberry juice contains:

  • 116 calories
  • 1 gram of protein
  • 0 grams of fat
  • 31 grams of carbohydrates
  • 0 grams of fiber
  • 31 grams of sugar

Potential Health Benefits of Cranberry Juice

Cranberry juice is an excellent source of vitamin C and provides 26% of your recommended daily allowance in an 8-ounce serving. Vitamin C plays many important roles in the body. A powerful antioxidant, it helps stop free radicals from damaging cells and DNA in your body. This may help reduce your risk of developing various diseases such as cancer, heart disease, and more.

Vitamin C also helps you heal after injuries, produce collagen, absorb iron, and boosts your immune system.

Vitamin C isn’t the only antioxidant in cranberry juice. An 8-ounce glass has approximately 20% of the recommended daily allowance of vitamin E, which is essential for the health of your skin, blood vessels, and heart.

Cranberry juice also has several other antioxidant compounds, including:

These antioxidants are mainly found in the skins of fresh cranberries. Since cranberry juice doesn’t contain the skins it has lower concentrations of these antioxidants.

Some other health benefits of cranberry juice include:

Improved heart health. Anthocyanins in cranberry juice may help reduce hardening of the arteries. Several studies also show that cranberry juice may help reduce the chance of heart disease by improving cholesterol levels and lowering blood pressure.

Stomach health. Antioxidants in cranberry juice, particularly A-type proanthocyanidins, can help prevent the growth of a bacteria called Helicobacter pylori that causes stomach ulcers. Drinking cranberry juice may help reduce infections of this bacteria.

Immune system strength. Cranberry juice is rich in vitamin C, which helps keep your immune system healthy and functioning properly. It fights against oxidative stress from free radicals and helps kill harmful bacteria. Some studies also link low vitamin C intake to poor immune function.

Infection prevention. One of the most common causes of urinary tract infections (UTI) is the bacteria E. coli. The A-type proanthocyanidins in cranberry juice may help prevent the bacteria from collecting on the walls of the bladder and urinary tract. This reduces the risk of developing a UTI. Keep in mind that while cranberry juice may help reduce the risk of UTI, it can’t cure an active infection once one develops.

Potential Risks of Cranberry Juice

Make sure to read the labels of any cranberry juice brands you buy. Some brands add sugar. Drinking too much sugar can cause an upset stomach, diarrhea, and blood sugar spikes.

Cranberry juice may also cause problems with certain blood thinning medications. If you take blood thinners, be sure to speak with your doctor about how much cranberry juice is safe to drink.

Cranberry Juice: Are There Health Benefits? (2024)

FAQs

Cranberry Juice: Are There Health Benefits? ›

Cranberries have anti-inflammatory effects, thanks to their high amounts of antioxidants, especially anthocyanins and flavanols, which give cranberries their dark hue. “Antioxidants have been shown to reduce the risk of certain chronic diseases because they can help lower inflammation in our bodies,” says O'Neill.

Does cranberry juice have any health benefits? ›

Cranberry juice is rich in anti-inflammatory antioxidants and key nutrients. It may also help prevent UTIs, support a healthy gut, and help manage some chronic conditions, like heart disease and rheumatoid arthritis.

What happens if I drink cranberry juice every day? ›

Although cranberry juice is safe to consume in moderation, drinking too much can cause side effects such as upset stomach, diarrhea, and blood sugar spikes. In the past, it was believed that cranberry juice can slow the growth of bacteria and therefore is useful in treating urinary tract infections.

Why do doctors tell you to drink cranberry juice? ›

Cranberry fruit is high in antioxidants, partly from substances called proanthocyanidins, which give cranberries their vibrant color. Antioxidants neutralize particles in the body known as free radicals, which damage DNA and are thought to contribute to heart disease, diabetes, cancer, and other conditions.

Is cranberry juice better for you than water? ›

If you replace lost fluids with plain water, you can end up diluting essential electrolytes like sodium until your cells can't function properly. For proper hydration you need both electrolytes and water. So the minerals in cranberry juice can help keep you hydrated, but at the cost of a high sugar intake.

When should you not drink cranberry juice? ›

Aspirinallergy: Cranberries contain significant amounts of salicylic acid. Salicylic acid is similar to aspirin. Avoid drinking large quantities of cranberry juice if you are allergic to aspirin. Diabetes: Some cranberry juice products are sweetened with extra sugar.

Are cranberries healthier than blueberries? ›

The cranberry is also a contender when it comes to antioxidant content. While wild blueberries outperform them when it comes to measuring both antioxidant capacity and cellular antioxidant activity, cranberries pack their own health punch.

Is too much cranberry juice bad for your kidneys? ›

Cranberry juice is high in oxalates, which can increase your risk of calcium oxalate kidney stones. This is because oxalates bind to calcium when you consume a lot of them, especially if you're already prone to kidney stones ( 3 , 4 ).

Which cranberry juice is the healthiest? ›

To avoid excess consumption of added sugars and maximize the potential benefits of cranberry juice, it is best to choose pure, unsweetened cranberry juice. While cranberry juice is safe for most people, consuming too much can lead to side effects, like upset stomach and diarrhea.

Can too much cranberry be harmful? ›

Cranberry overdose can cause stomach upset and diarrhea. Discontinue cranberry immediately, and if symptoms persist, seek medical help or contact Poison Control.

Is there a lot of sugar in cranberry juice? ›

While cranberry juice and co*cktail contain similar amounts of carbohydrates from sugar, pure, unsweetened cranberry juice is a better option since it has more nutrients and fewer additives. Both cranberry juice and cranberry co*cktail contain around 30 grams of sugar per cup (236 mL).

What happens to your urine when you drink cranberry juice? ›

Cranberries contain a substance that can prevent bacteria from sticking on the walls of the bladder. This may help reduce bladder and other urinary tract infections (UTIs). Cranberries (usually as cranberry juice) have been used to try and treat UTIs, particularly in high risk groups such as older people.

Why do I feel better after drinking cranberry juice? ›

Cranberry juice is rich in vitamin C, which helps keep your immune system healthy and functioning properly. It fights against oxidative stress from free radicals and helps kill harmful bacteria. Some studies also link low vitamin C intake to poor immune function.

Is it OK to drink 100% cranberry juice? ›

Drinking cranberry juice in moderation can be part of a healthy diet. It can be a convenient way to boost the vitamins and minerals in your day. However, be sure to also enjoy fruit in its whole-food form (whether it's fresh, frozen or canned) as this will allow you to get more fiber.

Why do girls drink 100% cranberry juice? ›

Drinking cranberry juice is a common recommendation to protect against UTIs, mainly due to its plant compounds called polyphenols, says Tamburello. Research points to cranberries' ability to prevent the adherence of pathogenic bacteria in the urinary tract, and help lower inflammation.

Are cranberries a superfood? ›

Many people consider cranberries to be a superfood due to their high nutrient and antioxidant content. In fact, research has linked the nutrients in cranberries to a lower risk of urinary tract infection (UTI), the prevention of certain types of cancer, improved immune function, and decreased blood pressure.

Is cranberry juice good for skin? ›

Cranberries are filled with vitamin C and salicylic acid. The vitamin C present in cranberries is known for helping individuals achieve glowy skin and visibly eliminate blemishes. These two components work together to also help reduce hyper-pigmentation, eliminate acne scars, and lighten blemishes.

Is cranberry juice really good for your kidneys? ›

Healthy levels of cholesterol and blood pressure directly affect kidney health, as the kidney acts as a filter for the blood passing through the body. The juice from cranberries is also shown to keep pathogenic bacteria from accumulating at the walls of the kidneys and can prevent infections or diseases from occurring.

Is cranberry juice good for testosterone? ›

There was no influence on blood testosterone or serum CRP levels. There was no statistically significant improvement in the control group. The results of the present trial are the first firm evidence that cranberries may ameliorate LUTS, independent of benign prostatic hyperplasia or C-reactive protein level.

Is cranberry juice good for your gut health? ›

A growing body of research suggests that the use of cranberries as part of a healthy diet can help maintain a beneficial population of gut microbiota. Healthy gut microbiota can protect the body against germs, assist with immunity and may inhibit release of inflammatory substances.

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