Selenium is a mineral that is important for a range of processes, including reproduction, SNA synthesis, protection from infection, and thyroid hormone metabolism. Deficiency may result in symptoms such as infertility, muscle weakness, and fatigue.
Why is selenium important?
Selenium deficiency has been associated with hyperthyroidism, a type of heart disease, and a weakened immune system. It is estimated that as many as one billion people in the world have a deficiency; what’s more, there are fears that climate change could decrease selenium concentrations in the soil in some countries, adding to the issue.
The amount of selenium in food is determined by the soil it grows in and the pH levels, with evaporation and rainfall affecting the concentration. This results in differences in the number of people with selenium deficiency based on geographical location.
Along with the conditions mentioned previously, research has suggested links between a lack of selenium and some types of cancer. It may also impact cognitive functioning. More research is needed on these, however, to come to firm conclusions.
Symptoms of selenium deficiency
You may have selenium deficiency if you have a weakened immune system, have hair loss, suffer from mental fog or fatigue, or experience muscle weakness. Infertility in both men and women may also be a sign that your diet or multivitamins have not given you enough selenium.
Anyone can experience selenium deficiency, but it can particularly affect those with HIV, people undergoing dialysis, and people with digestive issues such as Crohn’s. These can affect how selenium is absorbed, meaning it is more difficult to reach healthy levels.
Many people choose to take multivitamins from companies such as www.vitortho.co.uk/supplements/categories/multivitamins/ to maintain their health and wellbeing.
Selenium is a particularly important ingredient for some people, especially those with thyroid nodules, thyroid diseases, cancer, low immune function, pregnant women, and people who have been diagnosed with selenium deficiency.
This type of deficiency is normally found in communities rather than in individuals. Diagnosis can include tests on hair, nails, and glutathione peroxidase levels.