Is Tomato High In Potassium? (A Complete Guide)

Tomato is a berry that grows from the tomato plant. It can be considered the most versatile ingredient to integrate into all diets.

Whatever types of diets you follow, feeding your body with the right amount of minerals should be the main priority. 

Frequently we focus on nutrients like calcium, manganese, and other vitamins, and we forget the importance that potassium has for our system to work correctly. 

Potassium is an electrolyte with the primary function of maintaining a healthy heart, ensuring body fluid balance, and helping regulate blood pressure. Potassium can be found mainly on fruits and vegetables; some fruits like bananas contain higher quantities of potassium than other fruits like apples. But have you ever wondered about the potassium content of tomatoes? 

Is tomato high in potassium? The potassium content of a medium-size raw tomato is 291.5mg, which means that per 100g of raw tomato, we found 237 mg of potassium. Values that make the tomato enter the category of high potassium foods.

Although tomato is a high potassium food, it is broadly adopted in many countries around the world, and we cannot think of a slice of pizza without imagining the tomato on top of it. 

But, do sauce tomatoes have the same quantity of potassium as the tomato raw? 

Is tomato sauce high in potassium?

One cup of tomato sauce without salt added has a potassium content of 727.7mg, which means that for a serving portion of 100g, the potassium content is 297 mg.

The potassium content of tomato sauce is 22.5% higher than the tomato consumed raw. 

Depending on the types of diets you are following, you might need to eat more or fewer foods containing potassium

Diets that require you to consume low potassium foods are usually associated with people with kidney disease since their kidneys may not get rid of the potassium in their urine.

Is tomato ketchup high in potassium?

One serving of tomato ketchup contains 50 mg of potassium, which means that for a serving portion of 100g, we may find 190 mg of potassium.

Tomato ketchup can be considered the most famous table condiment present nowadays. It is mainly made with tomatoes, sugar, vinegar, and other species. 

Tomato ketchup has a long history; it has been discovered that the tomato ketchup recipe has been present in the recipes book in Uk since 1742. 

Still today, tomato ketchup is very popular, and due to its inimitable taste, it is loved by people worldwide.

If we analyze the potassium content in tomato ketchup, we notice that a serving size of 100g contains 45% less potassium than tomatoes consumed raw.

Is tomato puree high in potassium?

The potassium content for a serving size of one cup (250g) is 1097.5mg, which means that for a serving of 100g of tomato puree, we found 439 mg of potassium.

The main difference between tomato puree and tomato sauce is its consistency; in fact, we found a thicker consistency in the tomato puree.

Regarding the differences in potassium level, tomato puree is higher in potassium than tomato sauce by 38.5%.

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Is canned tomato soup high in potassium?

The potassium content of canned tomato is 1014mg for a serving of 100g of it.

The canned tomato is another popular variant in which the original tomato can be found. Canned tomato is achieved by peeling and storing it into a can after heating.

Canned tomatoes are mainly used in Italy, especially for topping on pizza. But what about the differences in potassium with the other varieties of tomatoes? 

Canned tomatoes contain more potassium than tomato sauce. The difference in percentage between sauce tomatoes and canned tomatoes is equal to 109%.

If you are follow a diet that requires you to consume low potassium foods, It will be best to integrate the tomato sauce instead of the canned tomato, limiting the risk of hyperkalemia.

Is green tomato high in potassium?

The potassium content for 100g of green tomato is equal to 204mg.

Green tomatoes are tomatoes that have not reached ripeness, and they are usually harvested and utilized to prepare some dishes. 

The difference between ripe and unripe tomatoes is markable, and they are slightly different in potassium content. Ripe tomatoes have 37% more potassium than unripe green tomatoes.

Is tomato juice high in potassium?

The potassium content of 8 oz of tomato juice is 921 mg, and for a serving of 100g, we found 379 mg of potassium.

The tomato juice can be considered a different way of utilizing tomatoes. In fact, in that case, the tomato juice is served as a beverage and can either be drunk plain or in cocktails.

Regarding the differences in potassium compared to other types of tomato form, we notice that it is slightly lower in potassium than the puree form but higher in the raw form.

Are sun-dried tomatoes high in potassium?

The potassium content of sun-dried tomatoes is equal to 1850.6mg for a serving size of 1 cup, while if we consider 100g, we found 3427mg, making the sun-dried tomatoes very high in potassium content.

Sun-dried tomatoes are the variants of tomatoes with a higher content of potassium. If we analyze the difference between them, we notice that:

  • sun-dried tomatoes are 168% higher in potassium than tomato sauce 
  • 179% higher in potassium than ketchup
  • 154% higher in potassium than tomato puree
  • 106% higher in potassium than canned tomato
  • 177% higher in potassium than green tomato
  • 160% higher in potassium than tomato juice

Consuming 100g of sun-dried tomatoes means assuming 3427mg of potassium equal to Ais’s daily intake recommendation of potassium. 

Can I eat tomatoes on a low potassium diet?

If you follow a low potassium diet, consuming tomatoes will not negatively impact your diet. Some variants of tomatoes, such as the sun-dried ones that contain a very high amount of potassium, are the only one advised not to consume .

Selecting foods with low potassium is not easy since the potassium of foods can vary dramatically depending on the modality on which it is cooked or prepared.

Is tomato bad for kidneys?

The amount of potassium you can consume every day will depend on your kidney’s conditions and your doctor’s recommendation.

Anyway, considering the amount of potassium that a tomato on its bare stage has, it can be regarded as safe to consume. At the same time, this is not the case for the sun-dried variations, where the potassium content is very high and could be a problem for people affected by CKD.

If from one side it is true that tomato shares essential nutrients, because it contains Vitamina A-B-C, it is also true that if you are suffering from kidney disease and your kidney cannot handle higher potassium levels, they have to be considered not safe for your health.

Do tomatoes have more potassium than bananas?

If we consider the raw version of tomato, it contains 237 mg of potassium, while banana 358 mg. At the same time, the main difference is markable in the sun-dried variant of tomatoes, where the potassium content reaches the value of 3427mg against 358 mg of banana.

So, it all depends upon the types of tomatoes we compare, but in average we can say  that banana contain more potassium than tomatoe.Ssee more on banana potassium content

Final thoughts

Tomatoes contain a high amount of potassium, and if you are following a diet that requires you to limit the intake of potassium, or you are suffering from kidney disease, the best thing that you have to do, is to be sure that you consume the tomato that contains less potassium, and surely avoiding the sun-dried versions because it contain a very high content potassium.