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Selenium
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IN STOCK - YES
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What is Selenium?
Selenium is a trace mineral, similar in chemical properties to sulphur, necessary to the proper functioning of the human body. You do not need much of it, but without it your health will likely suffer. Like many substances needed by the body, selenium can also be toxic in large amounts. Our selenium is from L-Selenomethionine, which is the same form and dosage used in the study published by researcher Larr Clark in the Journal of the American Medical Association, 12/25/96.
Who Should Consider Selenium?
Selenium is a powerful antioxidant. Selenium deficiencies are associated with the following:
- Increased risk of cardiomyopathy;
- Increased risk of myocardial death;
- Increased risk of cancer;
- Impaired immune function;
- Impaired fetal development.
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What is Selenium?
Selenium is a trace mineral, similar in chemical properties to sulphur, necessary to the proper functioning of the human body. You do not need much of it, but without it your health will likely suffer. Like many substances needed by the body, selenium can also be toxic in large amounts. Recommended supplementation is given below.
Our selenium is from L-Selenomethionine, which is the same form and dosage used in the study published by researcher Larr Clark in the Journal of the American Medical Association, 12/25/96.
How does Selenium Function in the Body?
Selenium is a free-radical scavenging antioxidant, which protects various body systems from the damages of lipid peroxidation. Selenium deficiencies are associated with increased risk of cardiomyopathy and myocardial deaths, cancer, impaired immune function and impaired fetal development.
Selenium is a mineral cofactor the manufacture of glutathione peroxidase, an antioxidant enzyme produced by the body that neutralizes the damaging (oxidizing) hydrogen peroxide in the aqueous humor of the eye. Low levels of glutathione peroxidase are implicated in cataracts, measuring only 15% of normal levels in people who have cataracts.
Selenium levels are also low in people suffering from rheumatoid arthritis. Again, it is the body's use of selenium in the production of glutathione peroxidase that seems to be at play. Glutathione peroxidase helps to reduce the inflammatory leukotrienes that cause damage to joints in rheumatoid arthritis.
Men with low levels of selenium are more susceptible to ischemic heart disease than those who have adequate levels. Supplementation with selenium and other antioxidants has been shown (by a study conducted at the University of Kuopio in Finland) to improve cardiac risk profiles.
FDA: Selenium may be an Anticarcinogen
It has long been known among researchers that Selenium exerts a chemoprotective effect against certain cancers, particularly prostate cancer. What remains elusive is the mechanism by which it is able to do this. Various theories have been proposed, but there is no consensus yet. In February, 2003, the Food and Drug Administration decided to recognize this link, and allow the following health claims with regard to Selenium: "Selenium may reduce the risk of certain cancers. Some scientific evidence suggests that consumption of selenium may reduce the risk of certain forms of cancer. However, FDA has determined that this evidence is limited and not conclusive." "Selenium may produce anticarcinogenic effects in the body. Some scientific evidence suggests that consumption of selenium may produce anticarcinogenic effects in the body. However, FDA has determined that this evidence is limited and not conclusive." Some facts to know about prostate cancer: it is the fourth most common form of cancer in the world, and the number one most common form among men in the US; prostate cancer disproportionately affects black men for reasons also not understood; risk increases with age.
** We STRONGLY encourage all men aged 30 or older to have regular prostate exams! **
How do I Supplement Selenium?
Unless you are an eater of liver, kidney, meats or seafoods, you are dependent on the soils in which your vegetables have been grown for your selenium. That is not good, since the soils in which your vegetables have been grown are probably severely depleted of trace mineral content. Some suppliers will tell you that of the two forms of selenium that are sold as supplements, selenium-enriched yeast is better than selenate, but both have their place. Selenium enriched yeast is better at raising blood-selenium levels, while selenate has better ability to increase activity of the antioxidant enzyme, glutathione peroxidase. Both work. Supplementation of selenium at 100-200mcg/day is recommended.
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Label Facts
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Supplement Facts
Serving Size: 1 Capsules
Servings per container: 60 |
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Amount Per Serving |
% Daily Value |
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| Selenium (from Selenium Methionine) |
200 mcg |
285% |
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Cellulose (plant fiber).
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Dietary Restrictions
 Vegetarian capsule used and a vegetarian formula.
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References
- Diplock A: Indexes of selenium status in human populations. Am J Clin N 1993;57:256S-258S.
- Garland M, Willet W, Manson J, et al: Antioxidant micronutrients and breast cancer, J Am Col N 1993;12:400-411.
- Ji L, Stratman F, Lardy H: Antioxidant enzyme response to selenium deficiency in rat myocardium, J Am Col N 1993;11:79-86.
- Suadicani P, Hein H, Gyntelberg F: Serum selenium concentration and risk of ischaemic heart disease in a prospective cohort study of 3000 males. Atheroscl 1992;96:33-42.
- Peretz A, Neve J, Famaey J: Selenium in rheumatic diseases. Sem Arth Rheum 1991;20:305-316.
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