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Life Extension, Super Selenium Complex, 100 Veggie Caps

By Life Extension

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  • Product Code: LEX-17781
  • UPC Code: 737870177814
  • Package Quantity: 100 Veggie Caps
  • Dimensions: 4 x 2.1 x 2.1 in, 0.15 lbs (0.07 kg)
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Product Overview

  • Foundation for Longer Life
  • 200 mcg & Vitamin E
  • Providing the Most Advanced Form of Selenium
  • Dietary Supplement
  • Yeast Free

Selenium is a trace mineral that is essential to optimal health. Few people—including physicians—realize that selenium is available in several different forms. Each form of selenium acts along a different pathway to support healthy cell division. For optimized selenium support, one should supple­ment with all three of the following forms of selenium:

  • Sodium selenite
  • L-selenomethionine
  • Selenium-methyl L-selenocysteine

Life Extension has upgraded Super Selenium Complex with a new selenium blend that combines all three of these unique forms of selenium. A small amount of vitamin E is included because it has been shown to work synergistically with selenium.

Studies suggest selenium deficiency can pose a signifi­cant health risk. For example, the body utilizes selenium to make gluta­thione peroxidase, an endogenous antioxidant enzyme almost as important as SOD (superoxide dismutase).

Selenium also supports normal thyroid and immune function in healthy individuals.

Suggested Use

Read the entire label and follow the directions carefully prior to use.

Take one (1) capsule per day with food, or as recommended by your healthcare practitioner.

Other Ingredients

Rice flour, vegetable cellulose (capsule), l-leucine, dicalcium phosphate.


Store tightly closed in a cool, dry place.

Caution: If you are taking anti-coagulant or anti-platelet medications, or have a bleeding disorder, consult your healthcare provider before taking this product.

  • Keep out of reach of children.
  • Do not exceed recommended dose.
  • Do not purchase if outer seal is broken or damaged.
  • When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.
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Supplement Facts
Serving Size: 1 Vegetarian Capsule
  Amount Per Serving % Daily Value
Vitamin E (as D-alpha tocopheryl succinate) 30 IU 100%
Selenium (as Se-Methyl L-Selenocysteine, SelenoPure L-selenomethionine, sodium selenite) 200 mcg 286%
Each capsule provides:
Selenium (L-selenomethionine) 50 mcg
Selenium (sodium selenite) 50 mcg
Selenium (Se-Methyl L-Selenocysteine) 100 mcg

iHerb Customer Reviews

5 Stars
4 Stars
3 Stars
2 Stars
1 Stars

Maybe the best selenium

Posted by greece-iherb on May 12, 2016

Have tried many other brands. This one is really working for my hypothyroidism.

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Good company

Posted by Reviewer3046934 on May 10, 2016

It's always better to take any vitamin or mineral with it's co-factors as they work together; thats why I like this brand.

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Great Product

Posted by 5016654961967404112 on Apr 11, 2016

My thyroid function has improved in conjunction with Iodoral!

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Contains sodium selenite

Posted by emanuela on Apr 02, 2016

I like the dosage and the fact it contains vitamin E but... it also contains the form of selenium called "sodium selenite". Dr Mercola writes "According to the 1986 edition of the Handbook of the Toxicology of Metals, daily intake of about one milligram of selenium as selenite can be toxic. In one study, sodium selenite was found to induce substantial DNA damage in human fibroblasts." (google Mercola sodium selenite to read the whole article). I am not sure if Life Extension is aware of this, or if they think 50mcg is low enough not to pose a risk or if they believe the two other forms will "make up" for the selenite somehow, but I am no longer buying this item. Why risk adding the selenite form at all? I will enquire further but using a different form at the moment.

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알이 작다.

Posted by mockdan on Mar 13, 2016

향도 약하다... 먹기는 편하다. 효과는 드라마틱을 기대하면 안되겠다. 그냥 멀리보고 꾸준히 먹는다. 내가 먹는데 불편함이 없고 부작용또한 없으며, 내가 필요하다고 생각하기에 좋다라고 생각하낟.

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