Selenium (Se) element was found in 1817, and was recognized by the WHO as "a trace element essential to the life and activity of human being and animals". It is the only element that has been studied in such a scope and deepness.
More than 40 countries and regions in the world are suffering from shortage of selenium or low selenium. In our country, about 72% of the total area, where 2/3 of our population are living, belongs to low selenium region or selenium deficient region, a wide and large selenium deficient zone spreading from the Northeast to the Southwest and from he eastern coast to the Qinghai-Tibet Plateau.
Selenium bear a close relation with people's life and activities. Lack of selenium might cause 40-odd kinds of diseases including cardiac, cerebral and vascular diseases, hypertension syndromes, stomach and intestine diseases, diabetes, asthma, parkinsonism, hepatopathy, cancer and AIDS disease.
Selenium is the active center of multiple enzymes in human body, and its functions are of broad-spectrum. It plays a role of defending diseases, preventing senescence and strengthening immunity, and thus rendering the human body to a balance state.
The WHO suggests: every body should take 200 microgram Se a day to prevent diseases.
Selenium is essential to the human body, but it can't be self-produced. Therefore, it should be supplemented to prevent diseases. As to its beneficial biological performance, it always needs a large dose in resistance to cancer and other diseases.
The studies on selenium have been conducted worldwide for nearly 40 years. The American Schwarz Research Group alone has studied 800-odd forms of selenium, but has not found out a valuable selenium product featured by high effect and safe application.
Nano-selenium has the following functions:
Removing free radicals
Electronic spin resonance test shows the effect of nano-selenium in removing antelope free radicals is 5 times that of sodium selenite.
Contrast test shows under the conditions of selenium supplement in low doses, intake of sodium selenite can't inhibit tumors, but nano-selenium is effective.
Contrast test shows under the conditions of selenium supplement in low doses, intake of sodium selenite can't inhibit tumors, but nano-selenium is effective in improving the immunity of cells and humor and their non-specificity phagocytosis function.
The 21 st century see a new tendency that a "macro" world is entering a "micro" world, with the micrometer technology advancing to the most sophisticated nanometer technology, and all the developed countries are putting huge capital and talents in exploring the attractive treasure - nanometer.