8 Antioxidant Super Foods

Top 10 Dietary Sources Of Selenium – A Trace Element

Top 10 Dietary Sources Of Selenium – A Trace Element StylecrazeOctober 30, 2019

Your body needs calcium, magnesium, sodium, phosphorus, potassium, sulfur, and chlorine in significant amounts. And then, there are elements like iron, zinc, copper, manganese, molybdenum, cobalt, chromium, and fluorine, which are called the trace elements. Your body needs them too – but in minimal quantities (<5 mg). An important member of the trace elements isSelenium.

If you read ahead, you’d know what role it plays in your body, what the best dietary sources of selenium are, how much selenium your body needs, and other details. Game? Scroll down and get ready to take notes!

Before we get to the sources of selenium, let’s understand the role of selenium in our body.

What Is The Role Of Selenium In Your Body?

Selenium is a trace element that is naturally present in many foods and available as a dietary supplement. It is a constituent of more than 24 selenoproteins that play critical roles in several biological and physiological processes.

Since it often works with proteins, selenium majorly impacts or participates in the following:

  • Reproduction
  • Thyroid hormone metabolism
  • DNA synthesis and protection from oxidative damage
  • Infection and recovery
  • Cardiovascular health
  • Cancer prevention

How much selenium do you need for all these and many other vital but small processes? Do you have to pop selenium supplements daily? What’s the recommended dosage of selenium? We’ve got that covered. Read on…

How Much Selenium Do You Require Per Day?

The recommended dietary allowance (RDA) of selenium depends on your age, which is directly proportional to the demand (). Take a look at the table with more details. Selenium is measured in micrograms (mcg).

Life StageRecommended Amount
Birth to 6 months 15 mcg
Infants 7-12 months 20 mcg
Children 1-3 years 20 mcg
Children 4-8 years 30 mcg
Children 9-13 years 40 mcg
Teens 14-18 years 55 mcg
Adults 19-50 years 55 mcg
Adults 51-70 years 55 mcg
Adults 71 years and older 55 mcg
Pregnant teens and women 60 mcg
Breastfeeding teens and women 70 mcg

And where can you get all this selenium?

Of course, through your diet! Selenium is a mineral that can be found in a variety of foods – veggies, meat, dairy products, etc. We have compiled a list of selenium-rich foods to make your life easier.

Make a note of your favorites from the round-up and frame a diet with those ingredients. A simple mix-n-match! Ready? Here we go!

10 Easy Available Selenium-rich Foods For All

1. Brazil Nuts


Brazil nuts are the richest dietary source of selenium. They contain about1917 mcg of selenium per 100 g serving. These nuts also have significant amounts of magnesium, copper, and zinc.

Studies show that having 2 Brazil nuts every day can improve the selenomethionine levels in the body (), ().

In fact, adding Brazil nuts to your diet can help you avoid the need for fortification or supplements altogether.

2. Mushrooms

The fruit body of some species of wild-grown edible mushrooms is naturally rich in selenium.

The Goat’s Foot (Albatrellus pes-caprae), with an average of about200 mcg/g(dry weight or DW), is the richest one. King Bolete (Boletus edulis) contains approximately up to70 mcg/gDW, and the European Pine Cone Lepidella (Amanita strobiliformis) has up to37 mcg/gDW.

TheMacrolepiotaspecies, with an average range of about5 to < 10 mcg/gDW, and theLycoperdonspecies, with an average of approximately5 mcg/gDW are other additions to the list of selenium-rich mushrooms ().

3. Seafood


Fresh seafood is a treasure trove of minerals. It contains the right amounts of sodium, phosphorus, copper, zinc, iron, iodine, along with selenium. Take a look:

SeafoodSelenium (mcg per 100 g serving)
Tuna (Yellowfin) 36.5
Sardines (canned in oil, drained solids with bone) 52.7
Shrimp (Mixed species, raw) 38.0
Oysters (Eastern, raw) 63.7
Mackerel (salted) 73.4
Mussels 44.8
Crab (blue, raw) 37.4
Clams (Mixed species, raw) 24.3
Halibut (Pacific and Atlantic, raw) 36.5

4. Beef

Another dietary source of selenium is beef. All the cuts of beef have high selenium – the liver, striploin, round, shoulder, and brisket.

A study compared the bioavailability of selenium from beef diets with that of selenium as selenite or L-selenomethionine in yeast diets. It showed that selenium in beef diets was better absorbed than the rest ().

100 g of whole and raw beef brisket has16.4 mcg, beef liver has39.7 mcg, ground beef meat has13.5 mcg, beef ribs (6-12, all grades) have16.2 mcg, the bottom round has24.8 mcg, and tenderloin of all grades has26.9 mcgof selenium.

5. Sunflower Seeds


Apart from vitamin B, magnesium, phosphorus, copper, and manganese, sunflower seeds are a great source of vitamin E and selenium.

100 g of dried sunflower seed kernels contain about53 mcgof selenium.

Sunflower seeds have very low cholesterol and sodium and hence are a healthy snack.

6. Eggs

Fresh whole eggs contain vitamins B, A, and D, minerals like iron, phosphorus, and selenium, and abundant protein.

One medium-sized whole egg (45 g) has13.9 mcgof selenium, which makes up about 20% of the daily value. A large boiled egg has about15.4 mcgof selenium.

So, make sure you include at least one egg in your breakfast every day.

7. Brown Rice


After hulling the husk and a few bran layers of rough rice, you get brown rice (which, upon further processing, gives you ‘white rice’).

By monitoring the degree of milling, most of the nutrients can be retained in brown rice. One major advantage this rice has over white rice is that it has high levels of phytochemicals and trace elements like selenium ().

100 g of long-grain variety of raw brown rice has23.4 mcgof selenium. And after cooking, the same variety has about10 mcgof selenium, besides manganese, potassium, magnesium, and phosphorus.

8. Bread And Pasta

Bread and pasta are a staple in many countries across the world. There are a wide variety of flours available today that are used to make bread and pasta as per your choice. Gluten-free variants of flour, baking mixes, flakes, breads, snacks, etc. are all included here.

Like carbohydrates, selenium is also found in copious amounts in gluten-free and normal bread and pasta. In-depth chemical analyses revealed the following information:

Product (Gluten-free)Selenium (mcg/100 g serving)
Bread mix 1.7 – 1.9
Whole wheat bread mix 1.7 – 2.1
Corn flour 19.9 – 23.5
Buckwheat flour 2.6 – 3.2
Gluten-free flour with oats 1.2 – 1.4
Pasta (buckwheat flour) 2.2 – 2.4
Pasta (with teff) 7.4 – 9.6

9. Cashews

Like Brazil nuts, cashews are rich in selenium – 100 g of raw cashew nuts contain19.9 mcgof selenium – along with magnesium, copper, and manganese.

They also contain high levels of fats (about 48.3% of total weight) – of which about 62% is monounsaturated fats, 18% is polyunsaturated fats, and 21% is saturated fats.

Cashews also contain essential phytochemicals like sitosterol, campesterol, cholesterol, and avenasterol, and amino acids like glutamic acid, aspartic acid, leucine, valine, cysteine, methionine, and tryptophan.

Vitamin E is the most abundant vitamin, followed by vitamins B3, B5, provitamin A, and B12 ().

10. Lentils

Lentils have an excellent macro and micronutrient profile and favorable levels of mineral bioavailability enhancing factors too. They are quick-cooking and have minimal precooking processing requirements compared to other pulses, oilseeds, and cereals. Hence, they are consumed as a whole food in more than 100 countries.

100 g of dry lentils would provide26–122%of the RDA. Almost 86 -95% of the selenium in lentils is in the form of organic selenomethionine, with a smaller portion (5-14%), as selenate.

According to plant ecological studies, the lentil varieties produced in Australia, Nepal, and Canada have the highest selenium content. And the lowest is from the ones produced in Syria, Morocco, and Northwestern USA ().

That was our round-up of selenium-rich foods. From Brazil nuts to beef, brown rice to lentils, you have a wide range of options you can choose to fulfill your recommended quota of selenium.

Since the selenium content in these foods depends on the amount of selenium in the soil, several other factors, such as soil pH, amount of organic matter in the soil, and whether the selenium is in a form that is amenable to plant uptake play an important role.

In other words, the selenium content of the soil affects the amounts of selenium in the plants that animals eat, so the quantities of selenium in animal products also vary.

However, selenium concentration in soil has a smaller effect on selenium levels in animal products than in plant-based foods. It is because animals maintain predictable tissue concentrations of selenium through homeostatic mechanisms.

So, pick your favorites from our top 10. Play around with the plant and animal-based selenium sources and create a diet or cook a dish. Please write to us about your experience and share your recipes.

You can also share your feedback about this article and relevant comments in the box given below. We’d love to know what you think about our top 10 round-up.


  1. “” Fact Sheet for Health Professionals, Health Information, National Institutes of Health Offices of Dietary Supplements.
  2. “” The American Journal of Clinical Nutrition, US National Library of Medicine.
  3. “” Food Research International (Ottawa, Ont), US National Library of Medicine.
  4. “” Journal of Environmental Science and Health, US National Library of Medicine.
  5. “” The British Journal of Nutrition, US National Library of Medicine.
  6. “” Antioxidants, US National Library of Medicine.
  7. “” Food Science & Nutrition, US National Library of Medicine.
  8. “” Euphytica, Springer Science.

Video: Top 25 Foods Rich in Selenium

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Date: 02.12.2018, 18:48 / Views: 85591