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What Is Potassium?

Potassium is a major mineral and a essential nutrient. It’s present in all body tissues and is required for normal cell function and for maintaining fluid volumes in the body.

The organic potassium salts in foods have a broad range of health benefits to the heart, kidney, bone, and other tissues.

Potassium Is Essential For Health

Potassium is an essential mineral that is needed by all tissues in the body. Its main role in the body is the maintenance of total body fluid volume, acid and electrolyte balance, and normal cell function. (source 🗗)

You can find the benefits of consuming potassium in Potassium, K: 6 Research-Backed Benefits .

Potassium In Food

Fruits and vegetables, like leafy greens, beans, nuts, dairy foods, and especially potatoes, are excellent sources of potassium.

Consumption of white vegetables is associated with a decreased risk of stroke, which can be related to their high potassium content. (source 🗗)

If you are interested in a list of foods where you can find this nutrient. Go to our nutrition tool and check out potassium.

Processing Foods Affects Potassium Content

Food processing reduces the potassium content of the food. So a diet high in processed foods and low in fresh fruits and vegetables can lead to potassium deficiency. (source 🗗)

Western diets have decreased in potassium intake with reduced consumption of fruits and vegetables, and with an increase of processed foods. (source 🗗)

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Sara Niemelä

co-founder Care Omnia, Head Content Creator


I’m a wife and a mother of three. I enjoy the outdoors, cooking, and spending time with my family. Nutrition is my passion. I have spent thousands upon thousands of hours reading, analyzing, categorizing and comparing research studies. Nutrition is the foundation you build a healthy and fulfilling life upon!