Life Extension Selenium Complex 200mcg 100ct
Three forms of selenium provide broad-spectrum antioxidant protection supporting thyroid function, immune health and cellular defense against oxidative stress.
Description
Life Extension Selenium Complex delivers 200 mcg of selenium from three distinct forms, providing broad-spectrum antioxidant protection and comprehensive support for thyroid function, immune health, and cellular defense. By combining multiple selenium compounds, this formula ensures that different tissues and metabolic pathways throughout the body receive the specific selenium forms they utilize most effectively.
Key Benefits
- 200 mcg of selenium from three complementary forms for broad-spectrum coverage
- Supports thyroid hormone production and healthy thyroid metabolism
- Promotes robust immune function and healthy immune cell activity
- Provides powerful antioxidant protection through selenoprotein activation
- Supports cellular defense mechanisms against oxidative stress
- 100 vegetarian capsules for over three months of daily supplementation
Selenium is a trace mineral that is essential for human health despite being needed in only small amounts. It functions primarily through selenoproteins, a family of proteins that incorporate selenium into their structure and perform critical roles in antioxidant defense, thyroid hormone metabolism, immune function, and DNA synthesis. The body contains approximately 25 different selenoproteins, each with specific functions in different tissues.
The three-form approach in this supplement is based on the understanding that different selenium compounds are metabolized through distinct pathways and preferentially utilized by different tissues. Sodium selenite provides inorganic selenium, L-selenomethionine offers an organic form that is incorporated into body proteins, and Se-methylselenocysteine provides a unique organic form with its own metabolic advantages. Together, these three forms ensure comprehensive selenium distribution throughout the body.
Selenium is particularly critical for thyroid health, as the thyroid gland contains the highest concentration of selenium per gram of tissue of any organ. Selenoproteins are required for the conversion of inactive thyroid hormone T4 to the active form T3, and they also protect thyroid cells from the oxidative damage generated during normal hormone production.
Life Extension Selenium Complex is ideal for anyone wanting to support their thyroid function, individuals seeking enhanced antioxidant protection, those concerned about immune health, and adults who want comprehensive selenium supplementation that addresses multiple metabolic pathways rather than relying on a single selenium form.




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