What Juice Has the Highest Amount of Potassium?

January 8, 2026 •

3 min read

According to the Dietary Guidelines for Americans, most adults do not get enough potassium from their diets, a crucial mineral for bodily functions like blood pressure regulation and muscle contraction. For those looking to supplement their intake, the answer to "what juice has the highest amount of potassium?" is prune juice.

Quick Summary

Prune juice contains the highest potassium concentration among common fruit juices, followed closely by carrot and passion fruit juice. This article details the specific potassium content of various juices, compares their nutritional profiles, and discusses the benefits of consuming potassium-rich drinks for overall health.

Key Points

Prune Juice is Highest: A single cup of prune juice contains approximately 707 mg of potassium, making it the top contender.
Top Contenders: Carrot juice (689 mg/cup) and passion fruit juice (687 mg/cup) are also exceptionally high in potassium.
Consider Concentrated Options: Concentrated products, like tomato paste or stewed tomatoes, often have more potassium than their juice counterparts.
100% Juice is Best: To avoid excessive sugar intake, always opt for 100% fruit or vegetable juices without added sugars.
Whole Foods over Juice: While beneficial, juice lacks the fiber of whole fruits and vegetables, which is important for overall health.
Consult a Doctor for Medical Conditions: Individuals with certain health issues, especially kidney disease, should consult a doctor before increasing potassium intake through juice.

The Highest Potassium Juices: A Detailed Breakdown

While bananas often steal the spotlight as a potassium-rich food, many juices offer a concentrated dose of this essential mineral. Prune juice is the undisputed winner when it comes to the highest potassium content, but other juices also provide significant amounts. Below is a closer look at the juices that top the list and what makes them a good choice for your diet.

Prune Juice

A single cup of canned prune juice contains approximately 707 mg of potassium, making it a powerful source for boosting your daily intake. Prune juice is made from dried plums, which naturally concentrate their nutrients, leading to this impressive potassium count. It is also known for its digestive benefits due to its high fiber and sorbitol content, which can help with constipation. However, it's important to remember that it also has a high sugar and calorie count, so moderation is key.

Carrot Juice

Not far behind prune juice is carrot juice. One cup of canned carrot juice provides a substantial 689 mg of potassium. Beyond its high potassium, carrot juice is an excellent source of beta-carotene, an antioxidant that the body converts to vitamin A, crucial for vision and immune health. Some find homemade carrot juice sweeter and more palatable than commercially canned versions, which can vary in taste.

Passion Fruit Juice

With 687 mg of potassium per cup, passion fruit juice offers a flavorful, tropical way to increase your mineral intake. This juice is also a great source of vitamin C and other antioxidants that help fight inflammation. It can be enjoyed on its own or mixed into smoothies for a tangy twist.

Comparison of Popular Juices

To put the potassium content into perspective, here is a comparison of several popular 100% fruit and vegetable juices based on a one-cup serving:


Juice	Potassium (mg per cup)	Additional Nutrients	Considerations
Prune Juice	707 mg	Fiber, Iron, Vitamins K, B6	High sugar and calorie content
Carrot Juice	689 mg	Vitamin A, Beta-carotene	Taste preference varies
Passion Fruit Juice	687 mg	Vitamin C, Antioxidants	Exotic flavor profile
Pomegranate Juice	533 mg	Vitamin C, Vitamin K, Folate	Antioxidant-rich
Orange Juice	496 mg	Vitamin C, Folate	Also high in sugar
Tangerine Juice	440 mg	Vitamin C, Antioxidants	Good alternative to orange juice
Tomato Juice	~527 mg	Vitamins A, C, Lycopene	High sodium if canned

Potential Health Benefits and What to Consider

Potassium is an electrolyte that plays a vital role in maintaining the body's fluid balance, nerve signals, and muscle contractions, including the crucial contraction of the heart muscle. A diet rich in potassium has been linked to managing blood pressure, and consuming potassium-rich foods like juice can be an effective way to help reach the recommended daily intake.

When incorporating juices into your diet, it is important to choose 100% juice varieties without added sugars. While juices provide a fast way to consume nutrients, they lack the fiber found in whole fruits and vegetables. Excessive consumption can also lead to a high sugar and calorie intake, so it should be balanced with a diet rich in whole foods.

For most healthy adults, getting potassium from dietary sources is ideal. However, individuals with certain health conditions, particularly kidney disease, need to monitor their potassium intake closely. In these cases, it is crucial to consult a healthcare provider or a registered dietitian before making significant changes to your diet.

Conclusion

Prune juice stands out as the juice with the highest amount of potassium, offering a significant boost to your daily intake with over 700 mg per cup. Carrot and passion fruit juices are also excellent contenders. While juices can be a great addition to a healthy diet, they should not replace whole fruits and vegetables. By choosing 100% juice and being mindful of portion sizes, you can effectively leverage these beverages to support your potassium needs and overall health. As always, consider your individual health profile and speak with a professional if you have any concerns.

For More Information

For detailed dietary recommendations on potassium and other nutrients, please consult the Dietary Guidelines for Americans.

This content is for informational purposes only and is not medical advice. Consult a healthcare professional for personalized dietary guidance.

Frequently Asked Questions

Prune juice offers the most potassium per cup, with approximately 707 mg, making it the best fruit juice choice for boosting potassium intake.

Yes, orange juice is a good source of potassium. One cup of 100% orange juice provides 496 mg, but it is also high in sugar, so it should be consumed in moderation.

Carrot juice is one of the best vegetable juices for potassium, with one cup providing 689 mg. Tomato juice is another excellent option.

No, whole fruits are generally a more health-conscious choice. They contain more fiber and often a higher concentration of nutrients than juice, and should be the primary source of vitamins and minerals.

Yes, excessive intake of any juice can lead to high sugar and calorie consumption. For healthy individuals, the potassium content is generally safe, but those with kidney issues should be cautious.

If you are on a low-potassium diet, you should avoid high-potassium juices like prune, carrot, and orange juice. Opt for lower-potassium alternatives such as apple, grape, or cranberry juice, after consulting with a healthcare provider.

It is best to get potassium from whole foods, as this reduces the risk of consuming dangerously high doses, a potential risk with supplements. A balanced diet with fruits and vegetables is recommended.