How Much Selenium is in Potatoes

Potatoes are a staple food in many parts of the world, and they are an excellent source of many essential nutrients, including vitamins, minerals, and dietary fiber. One of the minerals found in potatoes is selenium, which is an essential trace element that is necessary for good health.

Selenium is an important mineral that plays a crucial role in many bodily functions, including the immune system, thyroid function, and DNA synthesis. It is also an antioxidant that helps to protect the body against damage from free radicals. While selenium is found in many different foods, including seafood, meat, and eggs, potatoes are also a good source of this important mineral. In fact, a serving of potatoes can provide a significant amount of the daily recommended intake of selenium.

In this article, we will explore how much selenium is in potatoes and how this mineral contributes to overall nutrition. We will also discuss the importance of selenium in the diet and how it can benefit the body. Whether you are a potato lover or simply looking to improve your overall health, understanding the role of selenium in potatoes is an important step towards better nutrition.

Selenium Content in Potatoes

Potatoes are a popular and versatile food source that can be enjoyed in many ways, from mashed to roasted to fried. In addition to their delicious taste and high nutrient content, potatoes are also a good source of selenium, an essential mineral that plays a key role in many bodily functions.

Raw Potatoes

Raw potatoes contain an average of 0.3 micrograms of selenium per gram of potato. This means that a medium-sized potato weighing approximately 173 grams contains about 52 micrograms of selenium. This amount represents about 94% of the daily requirement of selenium for adults, which is 55 micrograms per day.

Cooked Potatoes

Cooking potatoes can affect their selenium content, depending on the method used. Boiling potatoes can cause some selenium to leach into the cooking water, while baking or frying can cause some selenium to be lost due to evaporation.

However, overall, cooked potatoes still retain a significant amount of selenium. For example, a medium-sized baked potato weighing approximately 173 grams contains about 45 micrograms of selenium, which is about 82% of the daily requirement for adults.

In addition, potatoes can be a good source of selenium when combined with other foods that are also rich in this mineral. For example, serving baked potatoes with a side of Brazil nuts, which are one of the richest food sources of selenium, can help boost your selenium intake.

Overall, potatoes are a tasty and nutritious food source that can contribute to your daily selenium intake. Whether you enjoy them raw or cooked, potatoes can be a great addition to a healthy and balanced diet.

Nutritional Value of Potatoes

Potatoes are a staple food in many parts of the world and are known for their versatility and delicious taste. They are also a great source of several essential vitamins, minerals, and antioxidants. In this section, we will discuss the nutritional value of potatoes and how they can benefit our health.


Potatoes are a good source of several vitamins, including vitamin C, vitamin B6, and vitamin A. Vitamin C is a powerful antioxidant that helps boost our immune system and protect our cells from damage caused by free radicals. Vitamin B6 is important for brain function and helps our body produce neurotransmitters that regulate our mood. Vitamin A is essential for good vision and healthy skin.


Potatoes are rich in several minerals, including potassium, iron, and magnesium. Potassium is important for maintaining healthy blood pressure and helps regulate our body’s fluid balance. Iron is essential for healthy blood cells and helps prevent anemia. Magnesium is important for bone health and helps our body convert food into energy.


Potatoes are a good source of antioxidants, including polyphenols and carotenoids. These compounds help protect our cells from oxidative stress, which can lead to chronic diseases such as heart disease and cancer.


Potatoes are not a significant source of protein, but they do contain some amino acids, including methionine. Methionine is important for healthy metabolism and helps our body produce proteins.


Potatoes are a good source of carbohydrates, which are an important source of energy for our body. They also contain fiber, which helps regulate our digestion and keeps us feeling full.


Potatoes are low in fat and contain no saturated fat or trans fat. They are a good choice for people looking to maintain a healthy weight or reduce their risk of heart disease.


Overall, potatoes are a nutritious and delicious food that can provide several health benefits. They are a good source of several essential vitamins and minerals, including vitamin C, potassium, and magnesium. They also contain antioxidants that can help protect our cells from damage. Whether baked, boiled, or fried, potatoes can be a healthy addition to any diet.

How to Incorporate Potatoes in Your Diet

Potatoes are a versatile and nutritious vegetable that can be incorporated into your diet in many different ways. Here are some ideas on how to enjoy potatoes:

Baked Potatoes

Baked potatoes are a classic way to enjoy this vegetable. They can be a simple side dish or a satisfying main course. Here are some ideas on how to prepare baked potatoes:

  • Wash and dry the potatoes.
  • Pierce the potatoes with a fork a few times.
  • Rub the potatoes with a little bit of oil and sprinkle with salt.
  • Bake in the oven at 400°F for about an hour or until tender.
  • Top with your favorite toppings, such as butter, sour cream, cheese, chives, or bacon bits.

Mashed Potatoes

Mashed potatoes are a comforting and creamy side dish that pairs well with many meals. Here are some tips on how to make mashed potatoes:

  • Peel and chop the potatoes into small pieces.
  • Boil the potatoes in salted water until tender.
  • Drain the potatoes and mash them with a potato masher or a fork.
  • Add butter, milk, salt, and pepper to taste.
  • For extra flavor, you can also add garlic, herbs, or cheese.

Fried Potatoes

Fried potatoes are a crispy and indulgent treat that can be enjoyed as a snack or a side dish. Here are some ways to fry potatoes:

  • Cut the potatoes into thin slices or wedges.
  • Heat some oil in a frying pan over medium-high heat.
  • Fry the potatoes until golden brown and crispy.
  • Drain the potatoes on paper towels to remove excess oil.
  • Season with salt, pepper, or your favorite spices.

Potato Chips

Potato chips are a popular snack that can be found in many different flavors and styles. Here are some ideas on how to make your own potato chips:

  • Slice the potatoes thinly with a mandoline or a sharp knife.
  • Soak the potatoes in cold water for about 30 minutes to remove excess starch.
  • Drain the potatoes and pat them dry with paper towels.
  • Fry the potatoes in hot oil until crispy and golden brown.
  • Season the chips with salt, vinegar, or other seasonings.

Potatoes can be a great source of carbohydrates and other nutrients, such as vitamin C, potassium, and fiber. However, it’s important to note that some potato dishes, such as fried potatoes and potato chips, can be high in saturated fat and calories. Therefore, it’s best to enjoy potatoes in moderation and to choose healthier cooking methods, such as baking or boiling.

Potential Risks and Allergies

Potatoes are a good source of selenium, with a medium-sized potato containing around 0.3 micrograms of selenium. While this is not a particularly high amount, it can still contribute to a person’s daily selenium intake. However, there are potential risks and allergies associated with consuming potatoes that contain selenium.


Potatoes are a common allergen, with some people experiencing mild to severe allergic reactions after consuming them. The symptoms of a potato allergy can range from hives and itching to more severe reactions such as difficulty breathing or anaphylaxis. In some cases, people with a potato allergy may also be allergic to other foods in the same family, such as tomatoes or peppers.


While selenium is an essential nutrient, consuming too much of it can be toxic. Symptoms of selenium toxicity can include hair and nail loss, skin rashes, and gastrointestinal upset. Long-term exposure to high levels of selenium can lead to more serious health problems, including neurological damage and respiratory failure.

It is important to note that the amount of selenium in potatoes is not typically high enough to cause toxicity in most people. However, individuals who consume large amounts of potatoes or who have underlying health conditions that affect their ability to process selenium may be at a greater risk of toxicity.

To minimize the risk of selenium toxicity, it is important to consume potatoes in moderation and to ensure that your overall diet is balanced and varied. If you are concerned about your selenium intake or have a history of selenium toxicity, it is important to speak with your healthcare provider before making any significant changes to your diet.

In summary, while potatoes can be a good source of selenium, there are potential risks and allergies associated with consuming them. It is important to be aware of these risks and to consume potatoes in moderation as part of a balanced and varied diet.


Potatoes are an important source of dietary selenium, and the concentration of selenium in potatoes can vary depending on several factors, including the soil in which they are grown and the method of cultivation. The studies reviewed in this article suggest that the concentration of selenium in potatoes is generally low, with fresh weight concentrations ranging from 0.2 to 6 μg kg-1.

While potatoes are not a particularly rich source of selenium compared to other foods, they can still contribute to overall selenium intake. Additionally, the bioavailability of selenium from potatoes is relatively high, with studies suggesting that around 70% of the selenium in potatoes is bioavailable. This means that the selenium in potatoes is readily absorbed and utilized by the body.

It is worth noting, however, that the concentration of selenium in potatoes can be influenced by a range of factors, including soil type, fertilization practices, and climate. For example, one study found that potatoes grown in selenium-rich soil had much higher concentrations of selenium than those grown in soil with lower selenium levels. Similarly, potatoes grown using organic fertilizers tended to have higher selenium concentrations than those grown using conventional fertilizers.

Overall, while potatoes may not be the richest source of dietary selenium, they can still contribute to overall selenium intake, particularly when consumed as part of a varied and balanced diet.

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About the Author Adam

As a health and fitness writer, Adam combines his two passions—weightlifting and writing. With a creative writing degree under his belt, he spends his mornings lifting weights, his nights putting pen to paper, and eating too many snacks in between.

Health Disclaimer

  • Any products written about is not intended to diagnose, treat, cure, or prevent any disease.
  • Results may vary/may not be typical. 
  • This information does not constitute medical advice and it should not be relied upon as such. Consult with your doctor before modifying your regular medical regime.


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