Like most fruits and vegetables, avocados provide a good source of potassium, an essential mineral 2. Potassium plays an important role in protein synthesis, carbohydrate metabolism, muscle growth and the heart’s electrical activity, according to MedlinePlus Medical Encyclopedia 23. A healthy diet rich in potassium sources such as fruits and vegetables can slow bone loss and lower your risk of kidney stones 23.

Daily Potassium Intake

The Institute of Medicine recommends that adolescents ages 14 to 18 and adults ages 19 and over consume 4.7 g, or 4,700 mg, of potassium per day 2. Adequate potassium intake is especially important for adults with hypertension, notes the USDA 2. Breastfeeding women should consume higher amounts potassium, or about 5,100 mg per day, according to MedlinePlus 3.

Potassium in Avocados

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One serving of avocado, or about 1/5 of a medium avocado, contains 140 mg of potassium. An entire medium avocado contains about 700 mg of potassium.

Other Nutrients in Avocados

One serving of avocado contains only 50 calories. One medium avocado contains 5 servings, or 250 calories. Avocados are one of the few fat-containing fruits, with 4.5 g per serving. Avocados have much lower carbohydrate and sugar content than most other fruits, however. One serving of avocado has only 3 g of carbohydrates, including 1 g of dietary fiber and 0 g of sugars. By comparison, one serving of apple contains 34 g of carbohydrates, including 5 g of dietary fiber and 25 g of sugars.

Higher Potassium Fruits

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Many fruits contain more potassium than avocados. Some of the highest potassium fruits include the banana and kiwifruit, with 450 mg per serving 2.