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Essential Facts About Selenium As One Of The 4 ACES

One of the facts about selenium that is little known is that this mineral is one of 4 powerful antioxidants that help protect the body against free radicals, together with Vitamin A, C and E. Selenium is a mineral cofactor that activates the potent antioxidant enzyme glutathione peroxidase.

Benefits Of Selenium

Another one of the facts about selenium, is that in addition to playing an important role in the functioning of the thyroid gland, it's antioxidant properties provide the following health benefits:
  • Selenium has been shown to delay or prevent the onset of cancer
  • Several studies have indicated a link between low levels of selenium and cancer.
  • It has anti-aging effects
  • It is important for proper thyroid function
  • Selenium boosts the immune system:Low levels of selenium have been shown to be directly related with decrease in cell count in patients suffering from HIV/AIDS and therefore progression of the disease.
  • Selenium has been reported to mimic the action of insulin
  • Studies have shown that selenium may delay the progression of arthritis. This is due to it antioxidant property that enables it to scavenge free radicals associated with joint destruction.

Selenium Toxicity

Although selenium has beneficial effects on health, toxicity can occur with excessive selenium supplementation. The recommended daily allowance for selenium is 55 micrograms for adults per day, although the optimal nutrional allowance if it is taken as a chemopreventative is 100-200 micrograms. Symptoms of selenium toxicity include fatigue, hair loss, nausea, vomiting, irritability and white blotchy nails. There is also concern that high levels of selenium may increase the risk of skin cancer and type 2 diabetes although more research is required to confirm this. Toxic levels of selenium during pregnancy can cause serious effects and very low levels may increase the risk of miscarriages. Pregnant women require 60 micrograms per day.

Selenium Rich Foods

Selenium rich foods include fish, oysters, chicken, waffles, lobster, crab, flour, rice, spaghetti, macaroni, noodles, cheese, milk and brazil nuts. If your diet contains sufficient food sources of selenium it may not be necessary to supplement your diet with selenium dietary supplements. However, the known facts about selenium highlight the important role it can play in reducing the incidence of cancer, and in supporting overall health.

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