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Selenium: what it is, what it is for and when to use the mineral

Autor: Natália Mozzelli

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Tempo de leitura: 2 min

Selenium is an essential mineral for the proper functioning of the body. Although it's needed in small ways, it's incredibly important for our health! Check it out below:

What is selenium?

Selenium is an essential mineral; our bodies don't produce it , so we need to obtain it through our diet. It acts as a powerful antioxidant, protecting cells against damage caused by free radicals, and also participates in several specific functions.

Brazil nut

It is present in small quantities in soil and food, selenium is also linked to hormonal regulation and strengthening the immune system.

What is selenium used for?

This mineral has several important functions in the body:

  • Antioxidant action: fights free radicals, helping to prevent premature aging and chronic diseases.
  • Strengthens the immune system: contributes to a more efficient immune response.
  • Regulates the thyroid: participates in the production of thyroid hormones, essential for metabolism.
  • Protects the heart: helps maintain good cardiovascular health.
  • Cognitive function: may contribute to the prevention of neurodegenerative diseases.

What are the benefits of selenium?

  • Improve immunity;
  • Help prevent inflammatory diseases;
  • Reduce the risk of heart disease;
  • Support hormonal balance;
  • Contribute to the health of skin, hair and nails.

What are the symptoms of a lack of selenium in the body?

Selenium deficiency can bring some signs, such as:

  • Hair loss and brittle nails;
  • Frequent fatigue;
  • Lower Legion;
  • Difficulty concentrating;
  • Thyroid problems.

It is worth remembering that, in more severe cases, a lack of selenium may be related to an increased risk of cardiovascular disease and neurological dysfunction.

What foods contain selenium?

Grilled chicken with vegetables

Selenium is present in various foods, especially in natural sources such as:

  • Brazil nuts (rich in selenium);
  • Meats (beef, chicken and fish);
  • Eggs;
  • Mushrooms;
  • Whole grains.

What is the food richest in selenium?

Brazil nuts are nature's greatest source of selenium!

A single nut can provide the recommended daily amount of this mineral. Therefore, consumption should be moderate; 1 to 2 nuts per day are sufficient.


At MAHTA, we use Brazil nuts as the base for our Brazil nut powder drink, made with nuts grown by local communities in the Amazon. This production values ​​traditional knowledge, generates income for the families involved, and also preserves the forest. This ingredient is rich in selenium and other essential nutrients.

Check out some of the benefits of MAHTA milk:

  • Low carb;
  • Source of proteins;
  • Gluten free;
  • Made from plants;
  • Rich in prebiotic fibers;
  • Rich in selenium.

What is the recommended daily dose of selenium?

The recommended daily intake of selenium varies depending on age and stage of life.

For adults the recommendation is 55 micrograms (mcg) per day.

Pregnant women should consume about 60 mcg/day, and lactating women, 70 mcg/day.

When to use selenium?

Selenium may be recommended when there is a deficiency, or in situations that deactivate antioxidant support, such as inflammation, low immunity, or thyroid problems. It is essential to consult a healthcare professional before starting any supplementation!

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Author

Natalia Mozzelli

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