The purpose of this site is to collect lab research by medical doctors about herbs that are proven to treat illnesses and counter the false attacks on herbs by the medical industry and false claims by alternative medicine. I let the science tell the facts.
 
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Selenium

There two versions of selinium one is mineral and the other is organic.
Mineral:
Some nutritional selenium are mineral; they are not as good for the body as organic.
Organic:
versions: Selenomethionine, Sodium selenite and Semethylselenocysteine. 
Selenomethionine has ability to deplete free radicals.   https://en.wikipedia.org/wiki/Selenomethionine  https://en.wikipedia.org/wiki/Sodium_selenite   

Selenium is an essential ingredient for optimum health. Selenium is essential to make Zinc work in the body and without it Zinc may be ineffective. In other words you can have sufficient zinc and you may not absorb it if you are deficient in selenium. Zinc is an important mineral in the body.

It is important to recognize selenium comes in three forms; When reading research about selenium check to see which version they are testing.

Pharmaceutical Too much of the pharmaceutical or mineral form can be toxic.
Mineral Toxic at 400 mcg.
Vegetable Tested therapeutic dose starts at 800 mcg. and tested safe up to 1,200 mcg.

1. "Selenium is found in foods such as Brazil nuts, walnuts, organ meats, seafood, brewer's yeast, wheat germ and vegetables such as broccoli, mushrooms, cabbage, onions and garlic. If these foods are part of your diet, you can be assured that you are not missing out on the benefits of selenium." http://www.curezone.com/blogs/fm.asp?i=969387

2. "...In recent years, selenium has been shown to mediate a number of insulin-like actions both in vivo and in vitro...This review compares the action of selenium to that of insulin and discusses the available evidence in support of selenium as an insulin-mimetic. http://www.ncbi.nlm.nih.gov/pubmed?term=11215514

3. "...The trace element selenium (Se) is capable of exerting multiple actions on endocrine systems by modifying the expression of at least 30 selenoproteins, many of which have clearly defined functions...These selenoenzymes are capable of modifying cell function by acting as antioxidants and modifying redox status and thyroid hormone metabolism. Se is also involved in cell growth, apoptosis and modifying the action of cell signalling systems and transcription factors. During thyroid hormone synthesis GPX1, GPX3 and TR1 are up-regulated, providing the thyrocytes with considerable protection from peroxidative damage. Thyroidal D1 in rats and both D1 and D2 in humans are also up-regulated to increase the production of bioactive 3,5,3'-tri-iodothyronine (T3). In the basal state, GPX3 is secreted into the follicular lumen where it may down-regulate thyroid hormone synthesis by decreasing hydrogen peroxide concentrations...Furthermore, in the diabetic rat, Se not only restores glycaemic control but it also prevents or alleviates the adverse effects that diabetes has on cardiac, renal and platelet function.   http://www.ncbi.nlm.nih.gov/pubmed?term=15749805

4. "...Selenium, an essential biological trace element, is an integral component of several enzymes, and its use as a nutritional supplement has been popularized recently due to its potential role in low concentrations as an antioxidant and in higher concentrations as an anticancer agent. Selenium has also been reported to act as an insulin-mimetic agent with regard to normalization of blood glucose levels and regulation of some insulin-mediated metabolic processes...Our results therefore show that selenium not only increased the phosphorylation of proteins identified in the insulin signal cascade but also affected the overall phosphorylation state of the cell."  http://www.ncbi.nlm.nih.gov/pubmed?term=9060997

5. "Plasma Selenium, Manganese Superoxide Dismutase, and Intermediate- or High-Risk Prostate Cancer... CONCLUSION: These data suggest that the relationship between circulating selenium levels at diagnosis and prognostic risk of prostate cancer is modified by SOD2 genotype and indicate caution against broad use of selenium supplementation for men with prostate cancer."  http://www.ncbi.nlm.nih.gov/pubmed?term=19528373

 

 

 

 

 
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