20 Foods High in Selenium: Benefits & Daily Amount

Foods that are high in selenium include Brazil nuts, fish, seafood, beans, eggs, sunflower seeds, chicken and beef.

Selenium is a mineral that is important for the proper functioning of the thyroid gland. It also helps to strengthen the immune system and prevent the development of neurodegenerative and cardiovascular diseases. 

The recommended daily amount of selenium for men, women and teens over 14 years old is 55 mcg of this mineral per day. Children between 9 and 13 years old should have 40 mcg of selenium per day.

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List of foods

The following table outlines the amount of selenium present in 100 g of each food:

Food

Amount of selenium in 100 g

1. Brazil nuts

1920 mcg

2. Sunflower seeds 53 mcg

3. Sardines (canned in oil)

52 mcg

4. Halibut (cooked) 47 mcg

5. Grilled tuna

46.8 mcg

6. Cooked shrimp

41.7 mg

7. Whole grain bun 

38.6 mcg

8. Parmesan cheese 36 mcg
9. Beef liver (grilled) 32.8 mcg

10. Egg (boiled)

30.8 mcg

11. Turkey (cooked, dark meat) 30 mcg
12. Steak 28 mcg

13. Chicken (grilled)

21.6 mcg

14. Mozzarella cheese

17 mcg

15. Raw garlic 

14.4 mcg

16. Brown rice (cooked)

9.4 mcg

17. Whole milk 

3.7 mcg

18. Cooked cabbage

2.3 mcg

19. Cooked black beans

1.2 mcg

20. Banana

1 mcg

Animal-based food sources of selenium will result in overall better absorption of this mineral compared to plant-based sources. Therefore, it is important to maintain a balanced diet to ensure adequate intake of this mineral.

Health benefits

The main benefits of selenium include:

  • Maintaining thyroid health
  • Preventing cardiovascular diseases, such as heart attacks and atherosclerosis
  • Preventing neurodegenerative diseases, such as Alzheimer's and multiple sclerosis
  • Preventing premature aging
  • Strengthening the immune system
  • Improving male fertility

In addition, selenium can also help with weight loss and prevent the emergence of some types of cancer, such as prostate or breast cancer.

Recommended daily amount

The recommended daily amount of selenium depends on age and stage of life. Children aged 7 months to 3 years should consume 20 mcg of selenium per day.

The recommended amount of selenium for men and women over 14 years of age is 55 mcg per day.

Maintaining a varied and balanced diet can help to ensure that you are getting adequate amounts of selenium per day. You can eat one Brazil nut per day to hit your daily target. Learn more about the benefits of brazil nuts and how you can consume them.