Selenium is important for making many body processes work correctly. It is also used cure and prevention of Canker Sores and for diseases of the heart and blood vessels, including stroke and “hardening of the arteries” (atherosclerosis). It is also used for preventing various cancers including cancer of the prostate, stomach, lung, and skin.

Generally good selenium sources:
• Crab
• Liver
• Fish
• Poultry
• Wheat
• Brazil nuts
• Cereals
• Meat
• Mushrooms
• Eggs


Doses for taking of Selenium:

Age RDA (Recommended Dietary Allowance) UL (Tolerable Upper Intake Level)
1 to 3 years 20 mcg per day 90 mcg per day
4 to 8 years 30 mcg per day 150 mcg per day
9 to 13 years 40 mcg per day 280 mcg per day
14 years and older 55 mcg per day 400 mcg per day
Pregnant women 60 mcg per day 400 mcg per day
Breastfeeding women 70 mcg per day 400 mcg per day


Note for Negative Side Effects:

• Pregnancy and breast-feeding: Selenium use is POSSIBLY SAFE during pregnancy and breast-feeding when used short-term in amounts that are not larger than 400 mcg per day.

• Fertility problems in men: Selenium might decrease the ability of sperm to move, which could reduce fertility. If you are trying to father a child, don’t take selenium supplements.

• Prostate cancer: There is concern that taking large amounts of a multivitamin plus a separate selenium supplement might increase the chance of developing prostate cancer and dying from prostate cancer.

• A history of skin cancer: Long-term use of selenium supplements might slightly increase the risk of skin cancer recurrence, but this is controversial. Until more is known about the possible increase in skin cancer risk, avoid long-term use of selenium supplements if you have ever had skin cancer.

• Under-active thyroid (hypothyroidism): Taking selenium can worsen hypothyroidism especially in people with iodine deficiency. In this case, you should take iodine along with selenium. Check with your healthcare provider.

Surgery: Selenium might increase the risk of bleeding during and after surgery. Stop taking selenium at least 2 weeks before a scheduled surgery.



For more information, just visit site below:

Selenium page of WebMD

Selenium page of Wikipedia

Selenium page of Raysahelian