Foods high in selenium: eggs, pork, garlic, seafood (for example, like river crabs, shrimp, prawns, shrimp, small yellow croaker, oysters, abalone, etc.) Selenium on the human body top ten role: selenium in the human body is essential, selenium is the human body is one of the most important trace elements. Selenium makes an indelible contribution to human health. Therefore, to ensure good health, foods high in selenium should be eaten more often. There are many functions of selenium, which are summarized into about ten: 1. Selenium improves the immune function of the human body. Selenium can enhance the immune system to enter the body of viruses, foreign bodies and lesions in the body's ability to identify, improve the immune system cell proliferation, antibody synthesis and the level of antibodies in the blood, improve the immune system cells phagocytosis, bactericidal ability to improve the body's immune function, fundamentally improve the resistance to disease. 2, selenium can prevent and fight cancer. After cancer surgery, selenium supplementation can significantly control the deterioration of the condition, reduce the toxic side effects of chemotherapy and radiotherapy, and help anticancer drugs to improve the efficacy of selenium to prevent and control cardiovascular and cerebral vascular diseases.3. Selenium deficiency damages the myocardium, and selenium supplementation protects the myocardium. Selenium supplementation for myocardial infarction patients can promote the improvement of heart function indicators. At the same time significantly improve the level of high-density lipoprotein, reduce thrombosis. 4, selenium can protect the liver. The role of selenium on the human body is initially from the confirmation of selenium on the liver has a strong protective effect and found. Human liver is a selenium reservoir, selenium concentration in the liver is significantly higher than other tissues and organs. Selenium is an antioxidant and delays aging.5 Oxidative damage in the human body is an important cause of disease and aging. Selenium can activate important substances in the body's own antioxidant system to control and eliminate oxidative damage, thus preventing disease and prolonging human life. Anti-aging studies have found that the level of selenium in the blood determines a person's life span.6. Selenium can be involved in the treatment of diabetes. Selenium deficiency can cause primary damage to the synthesis and secretion of insulin function of some pancreatic islet cells, selenium supplementation can protect the pancreatic islets, inhibition of oxidation and non-enzymatic glycation can reduce or delay the complications of diabetes, and selenium has a significant inhibitory effect. 7, selenium can protect and repair cells. Selenium in the whole cytoplasm of the body's metabolic activity of antioxidants, play a role in the elimination and reduction, to protect the cell membrane structure from the damage of oxides. Protection of cells, it protects the human heart, liver, kidneys, lungs and other important organs selenium can protect the eyes. 8, selenium can improve eyesight, prevention and treatment of eye diseases. If people's eyes lack selenium intake for a long time, vision loss and many eye diseases such as cataracts, retinopathy, pseudomyopia, night blindness, etc. will occur. Without enough selenium, the lipid peroxides in the lens cannot be removed in time, resulting in clouding of the lens and formation of cataracts.9. Selenium improves the oxygen-carrying capacity of red blood cells. Selenium protects the red blood cells in the blood, the hemoglobin in the red blood cells will not be oxidized, and its oxygen-carrying capacity is strong. Therefore, it also solves the problem of lack of oxygen in the brain of brain workers and reduces the phenomena of depression and fatigue. 10, selenium as a negatively charged non-metallic ions, selenium can reduce chemical carcinogens, pesticides and indirect carcinogens toxic side effects. As a result, selenium has gained the reputation of being a "natural antidote". Selenium is so important that foods high in selenium are essential for the human body. In the food supplement at the same time take products to supplement selenium, such as, selenium malt high activity, safe and easier to be absorbed by the body, selenium effect is much higher than food.