What is the function of selenium?

Effects of selenium on human body: 1, enhancing immunity. Selenium has the functions of scavenging oxygen free radicals, expelling toxins from the body, resisting oxidation, effectively inhibiting the generation of lipid peroxide, preventing thrombosis, removing cholesterol and enhancing human resistance.

2. Prevent diabetes. Selenium is the active component of glutathione peroxidase, which can prevent the oxidative damage of insulin β cells, make them function normally, promote glucose metabolism, improve and lower blood sugar.

3, prevent cataracts, the retina is easily injured due to exposure to ionizing radiation, selenium can protect the retina, enhance the smoothness of the vitreous body, and improve vision.

4. Prevention of cardiovascular and cerebrovascular diseases Selenium is an important element to maintain the normal function of the heart, which can protect and repair myocardial cells. The decrease of human blood selenium level will lead to the decrease of free radical scavenging function and the deposition of harmful substances.