The benefits of selenium for the heart, immunity and fertility … and the risks of increasing them

The benefits of selenium for the heart, immunity and fertility … and the risks of increasing them


Selenium is one of the essential minerals extracted mainly from soil, water and plant matter, and since selenium is necessary for many basic activities, it must be obtained in reasonable quantities from food sources that we talked about in a previous article but today let us discuss the most important things together The benefits of selenium for the body and how it is It is necessary to complete many vital functions and processes and to know these benefits, follow us, dear readers.

When was selenium discovered?

Selenium was discovered as bankruptcy in a chamber process at the beginning of the 19th century for the leadership needed to produce sulfuric acid , it was initially considered toxic and was phased out.

However, when selenium is burned, it creates an unusual smell, similar to the pungent smell that comes from horseradish. It was eventually recognized as a separate element, although it is physically rare and difficult to find in large quantities.

The benefits of selenium for the body

The health benefits of selenium are still being extensively researched, but benefits that have already been demonstrated include:

cancer screening

Although no reliable conclusions can be drawn regarding a causal relationship between low selenium exposure and increased cancer risk, there is evidence of an inverse relationship between selenium exposure and the risk of some cancers.

Selenium is an integral part of a number of cellular processes, including the body’s response to cancerous activity.

Immunity booster

Studies have shown that selenium helps stimulate antibodies, which are the most important components of the immune system that want to destroy bacterial and viral foreign bodies.

relieves inflammation

Selenium protects the body from relaxation and fatigue, and has been shown to relieve oxidative stress that often occurs around joints and bones.


Improve thyroid health

Research has shown that selenium is an essential part of a healthy body. is the thyroid gland , and helps regulate the amount of thyroid hormones without it, T3 cannot be produced; It is one of the most important products of the thyroid gland and controls the metabolism process.

Improve mental health and mood

Cognitive decline has been linked to the activity of free radicals in the neural cortex, which leads to the destruction of pathways and inhibition of the proper functioning of nerve impulses. Selenium can help prevent Alzheimer’s disease . Selenium also improves mental health and mood.

Fertility improvement

Selenium improves sperm motility and increases blood flow in the body. These key processes are responsible for increasing fertility and the possibility of pregnancy. They may also have risk-reducing properties. Abortion .


Selenium acts as an antioxidant and stimulates the formation of more antioxidants , so it helps fight free radicals in the body that are linked to the aging process and are a major cause of wrinkles.

Improve heart health

Selenium acts as a blood thinner, reducing the chances of blood clotting, and has also been shown to reduce the amount of bad cholesterol that builds up in the arteries and blood vessels, which also leads to atherosclerosis , strokes , and heart attacks.

hair care

Although research is still ongoing at this point, it is believed that selenium can reduce hair loss and the severe dryness of the scalp that leads to dandruff.

Selenium-rich foods

The best sources of selenium are mainly plant and animal products. The most important sources include:

  • Brazilian nuts.
  • spinach _
  • mushrooms;
  • Sunflower seeds.
  • chia seeds
  • brown rice;
  • the crab
  • liver;
  • Shrimp .
  • tuna.
  • Meat.
  • turkey.
  • egg.
  • Chicken breast.
  • dairy.

Side Effects of Excess Selenium

An excess of selenium is just as dangerous as a deficiency, so an overdose should not be taken and selenium supplements should only be used if food does not contain it. Symptoms of excess selenium or selenium toxicity include:

  • Bad breath.
  • Gastrointestinal disorders.
  • Fever.
  • nausea;
  • Kidney problems.
  • fatigue.
  • irritability;
  • Difficulty concentrating
  • cirrhosis of the liver;
  • Pulmonary edema.

And now, dear readers, after knowing the various benefits of selenium on the health of the body and the side effects of its increase,


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