Intake of various artificially added selenium supplement products is mainly divided into inorganic selenium and organic selenium. Inorganic selenium, mainly sodium selenite, is mostly used in feed abroad, which is very toxic and is on the verge of technical elimination. Compared with inorganic selenium such as sodium selenite, organic selenium has the advantages of food safety, no toxic and side effects, high absorption and utilization rate and high nutritional value (such as high vitamin level, or frequent drinking of high-quality protein such as black sesame paste).
2. Natural selenium supplement
Eating wild natural foods with high selenium content, such as pure grain 100 microgram of plant active selenium, and supplementing organic selenium are less toxic than inorganic selenium, but selenium should be supplemented scientifically according to the prescribed intake. Natural selenium food is healthier than inorganic selenium. Using natural selenium supplement method is more beneficial to health than taking inorganic selenium.
Extended data
Food source of selenium: According to the Reference Intake of Dietary Nutrients for Residents in China formulated in 2000, it is clearly stipulated that the recommended intake of selenium for people over 18 years old is 50 μ g/day, the appropriate intake is 100 μ g/day and the maximum tolerable intake is 400 μ g/day.
Foods containing selenium are: viscera and seafood 0.4-1.5 mg/kg; Lean meat 0. 1-0.4 mg/kg; Grain 0.01-0.04 mg/kg; 0. 1-0.3 mg/kg of dairy products; Fruits and vegetables 0. 1mg/kg.
In addition, there is inorganic selenium, namely sodium selenite, which has been banned internationally since 2000. The absorption and metabolism rates of yeast selenium, malt selenium and nano-selenium (beer yeast+sodium selenite) are low. The absorption rate of human body is only 40%-60%, and the rest is inorganic selenium residue.
Baidu encyclopedia-selenium supplement
Baidu encyclopedia-selenium