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Cranberry pills

Benefits, side effects and dosage

Cranberry pills can provide the health benefits of cranberries without having to eat them every day. Here are the potential health benefits of cranberry pills, including potential side effects.

Evidence-based
This article is based on scientific evidence, written by experts, and fact-checked by experts.
We look at both sides of the argument and strive to be objective, unbiased, and honest.
Last updated on December 23, 2022, and last reviewed by an expert on November 30, 2022.

Cranberries are small, tart, bright-red berries that are a popular treat, especially during the holiday season.

They’re packed with antioxidants and provide many health benefits.

Cranberry pills, made from dried, powdered cranberries, offer an easy way to enjoy these benefits without having to eat cranberries every day.

This article reviews cranberry pills’ most common uses, potential health benefits, side effects, and recommended dosage.

What are cranberry pills?

Cranberry pills are small tablets or capsules made from dried, powdered cranberries.

They provide many of the same health benefits as fresh cranberries.

Some cranberry pills also contain other ingredients, such as vitamin C or probiotics, to enhance their effects.

Specifics vary by brand, but one serving of cranberry pills is typically equivalent to an 8-ounce (237-ml) glass of pure cranberry juice.

Cranberry pills are available over the counter at drugstores or can be purchased online.

Summary: Cranberry pills are made from dried, powdered cranberries and may contain additional ingredients to enhance their effects. They can be purchased over the counter and provide many of the same benefits as fresh cranberries or cranberry juice.

Cranberry pills help prevent urinary tract infections

Cranberry pills may be an effective way to prevent recurring urinary tract infections (UTIs).

Cranberries contain proanthocyanidins, which prevent E. coli bacteria from attaching to the lining of your urethra and bladder.

If bacteria can’t stick to the tissues, they cannot multiply and cause an infection.

Several studies have found that taking cranberry pills containing 36 mg of proanthocyanidins every day for two months can significantly reduce the frequency of urinary tract infections, especially in women.

Other studies have found no beneficial effects in different populations, including elderly people living in nursing homes or those with bladder disorders.

It is unclear whether cranberry pills are as effective as traditional antibiotics at preventing urinary tract infections, as studies have found conflicting results.

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These mixed conclusions could be due to differences in study design or because cranberry may not be as effective at preventing 25–35% of urinary tract infections caused by fungi or bacteria other than E. coli.

Summary: Cranberry pills contain proanthocyanidins, which prevent E. coli bacteria from attaching to the urinary tract and causing painful infections.

Cranberry pills contain powerful antioxidants

Cranberries are full of antioxidants, which protect your body from damage caused by free radicals.

Free radical damage has been linked to many chronic illnesses, including heart disease and diabetes.

Interestingly, cranberries contain more antioxidants than other commonly eaten fruits and berries.

Some of the compounds in cranberries are even more effective than vitamin E, one of the body’s most important antioxidants, at fighting free radicals.

Since cranberry pills are made from dried, powdered cranberries, they contain an even higher concentration of antioxidants than fresh fruit or prepared products like cranberry sauce or cranberry jelly.

Even though cranberry pills are made from dried, powdered cranberries, their antioxidant content remains active. Taking cranberry supplements every day for eight weeks has been shown to reduce oxidative stress markers in the body significantly.

Summary: Cranberries and cranberry pills contain very high levels of antioxidants, which protect your body from free radical damage linked to various chronic illnesses.

Other potential benefits of cranberry pills

While research on cranberry pills is somewhat limited, studies on cranberry juice and cranberry extracts suggest they have the following benefits:

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More studies are needed to determine whether cranberry pills have the same benefits, but studies on other cranberry products are promising.

Summary: Cranberry juice and extracts may boost immunity, lower blood sugar in people with diabetes and protect against cancer, heart disease, stomach ulcers, cavities, and gum disease. Cranberry pills may have similar effects, but more research is needed.

Cranberry pills don’t have added sugar

Since cranberries are so tart, many cranberry recipes and products contain lots of sugar.

The American Heart Association recommends that women and men consume no more than 25 and 37.5 grams of added sugar daily.

Just one-fourth cup of canned cranberry sauce or one cup of a cranberry juice cocktail contains over 10 grams of added sugar, making it challenging to stay within these guidelines.

Eating large amounts of added sugar has been linked to the development of heart disease and diabetes, so it is wise to keep your intake in check.

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Cranberry pills can be a great way to enjoy the health benefits of cranberries without the adverse effects of added sugar.

Summary: Many cranberry products contain a lot of sugar to mask cranberry’s naturally tart taste, but overeating added sugar is bad for your health. Cranberry pills offer a way to experience the health benefits of cranberries without consuming extra sugar.

Side effects and interactions of cranberry pills

Cranberry pills are relatively well tolerated, but a handful of people have reported stomach discomfort, abdominal pain, or increased urination after taking the pills.

Cranberries are also high in salicylic acid, a naturally occurring anti-inflammatory compound.

Anyone allergic or sensitive to salicylates, including aspirin, may want to avoid cranberry pills since an adverse reaction is theoretically possible.

Furthermore, those with a history of kidney stones should consult their doctor before taking cranberry supplements. Some research suggests that they may increase the risk of developing calcium-oxalate stones.

There have also been a few reported cases of cranberry supplements increasing the effects of the blood-thinning drug Warfarin, so it is essential to consult your doctor or pharmacist before starting any new supplements.

Summary: Cranberry pills are relatively safe but may cause stomach upset in some people. Anyone with a sensitivity or allergy to salicylates, a history of kidney stones, or those taking the blood-thinning drug Warfarin may want to avoid cranberry supplements.

Recommended dosages of cranberry pills

No standard dosage for cranberry pills exists, and amounts can vary widely between brands.

Research has found that daily taking 500–1,500 mg of dried cranberry powder prevents urinary tract infections. Moreover, 1,200 mg of dried cranberry juice powder can reduce oxidative stress.

Newer research has focused on the concentration of proanthocyanidins, as they are one of the main active ingredients in cranberry pills.

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Products containing at least 25% proanthocyanidins or 36 mg per serving appear to be the most effective at preventing urinary tract infections.

More research is needed to determine the ideal dosage for cranberry pills for various purposes.

Summary: There is no official recommended dosage for cranberry pills, but taking at least 500 mg of powdered cranberry or 36 mg of proanthocyanidins per day appears to prevent urinary tract infections.

Summary

Cranberry pills are a great option for people who want to experience some of the health benefits of cranberries without having to eat them every day.

They are packed with antioxidants and can help reduce the frequency of urinary tract infections in some people.

Also, they may promote heart health, improve blood sugar control, boost immunity and protect against cancer, cavities, and stomach ulcers.

Dosages of up to 1,500 mg per day are safe for most.

Cranberry pills may be worth trying for those who get frequent urinary tract infections or want extra antioxidant support.

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