As a mineral, selenium is an essential trace element for the human body. As a component of glutathione peroxidase (GSH2Px), the human body needs it to achieve many cellular functions, and it also has antioxidant properties. It plays an important role in eliminating free radicals, protecting the normal structure and function of cell membranes, nucleic acids, and proteins, and is an essential trace element for early human embryonic development. Selenium deficiency is strongly associated with the risk of decreased fertility in men.
Selenium is a component of a series of enzymes that affect sperm production and metabolism. Selenium deficiency can lead to insufficient sperm production. Research has confirmed that selenium is a metabolic element that counteracts the toxic effects of certain sperm, can prevent harmful substances from damaging the reproductive system, and can maintain the normal morphology of sperm cells. Selenium deficiency can affect sperm activity; It causes metabolic disorder in the body and excessive production of malondialdehyde, the metabolite of lipid peroxide, which damages the cell biofilm and decreases the cellular and humoral immune functions, thereby affecting the normal development of embryos.
In 1998, doctors at the Royal Hospital of Glasgow in Scotland published a study that evaluated the supplementation of selenium in Scottish men. The results showed that supplementation with selenium could improve sperm quality in men with previously low selenium levels. The study also emphasized that the recommended daily selenium allowance (RDA) is necessary for normal sperm production.
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