What is the Function of Selenium?

Selenium is a trace mineral needed in the body in small amounts, about 200mcg per day. However, selenium is such a vital nutrient that if it is deficient an important enzyme pathway is blocked and body disfunction can occur. Selenium, along with Vitamin E, is involved in producing the enzyme, glutathionine peroxidase.

Years ago, the trace mineral selenium was found to be very low in New Zealand soils, therefore in our diets. Recently a renaissance in selenium research has found low selenium levels to be a significant risk for several degenerative diseases.

The man in your life may be most interested in the research that has found a selenium containing protein - phospholipid hydroperoxide glutathione peroxidase (hows that for a mouthful?) in healthy sperm cells. Seems that selenium is critical in protecting developing sperm from free radical damage. The consequence of not having enough selenium is the sperm break apart. This can lead to low counts and infertility.

Clinical research shows that a diet low in selenium may contribute to feelings of depression, anxiety and fatigue. Unfortunately, many adults do not receive the optimal amount of this vital nutrient.

 Selenium has been shown to improve the production of sperm and sperm motility. Lack of selenium may lead to changes in fingernails, muscle weakness, and heart problems.

This powerful enzyme acts like a ‘mop’ in neutralising damaging particles to the body. These particles are commonly known as free radicals. Selenium is also necessary for the production of prostaglandin’s, substances that affect blood pressure. A prostaglandin deficiency also results in a deficiency of other compounds necessary for keeping the arteries free from platelet aggregation. Pancreatic function also depends upon selenium.
Selenium may also be beneficial for the following ailments: hypertension, stroke, Cystic fibrosis, arthritis, muscular dystrophy, infertility, cancer, circulatory disease and crib death.

Selenium deficiency is a problem in areas of the world where the soil contains little selenium such as New Zealand.

Here in New Zealand we are particularly susceptible to selenium deficiency as selenium is present only at low levels in our soil and thus levels are low in much of our food.

 Because selenium preserves tissue elasticity, a deficiency of selenium may lead to premature aging, or liver damage.

There is evidence suggesting prolonged selenium deficiency produces cataracts. Also, research has shown that areas in the world with low soil levels of selenium have a higher incidence of cancer showing the relationship of this vital nutrient to the prevention of disease.

Fish, shellfish, red meat, grains, eggs, chicken, liver, and garlic are all good sources of selenium. The amount of selenium in vegetables is dependent on the selenium content of the soil. Brewer's yeast and wheat germ, both considered "health foods," are also good sources of selenium.

Dosage:
The US National Research Council recommends a daily intake of 200mcg of selenium per day.

Levity Vitamins contain the now suggested dosage of 200mcg. Do not exceed this amount and if breast feeding or pregnant consult your health advisor as levels of around 60mcg have been suggested.