Selenium
MineralsKey Benefits
How It Works
Selenium is essential for selenoprotein synthesis, including glutathione peroxidases (antioxidant), thioredoxin reductases (redox regulation), and iodothyronine deiodinases (thyroid hormone conversion). Brazil nuts are the richest food source.
Dosage & Timing
Recommended Dosage
55-200 mcg daily (do not exceed 400 mcg)
Best Time to Take
With meals, any time of day
Recommended Form
Selenomethionine or selenium yeast
Side Effects
Narrow therapeutic window. Toxicity (selenosis) at >400 mcg: hair loss, nail brittleness, GI issues, garlic breath.
Drug Interactions
May interact with statins, blood thinners, and immune-suppressing drugs.
What Does The Research Say?
Research supports thyroid function, immune health, and antioxidant defence. The SU.VI.MAX trial showed cancer reduction in men with low baseline selenium. Do not supplement if already adequate (soil-dependent).
Where to Buy
Buy Selenium on Amazon
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This information is for educational purposes only and does not constitute medical advice. Researched by The NexoraOS Team, supplement user since 2018. Always consult a qualified healthcare professional before starting any supplement. Individual results may vary. Amazon links are affiliate links.