Selenium
L-Selenomethionine
Essential trace mineral incorporated into selenoproteins including glutathione peroxidase. Critical for thyroid function, antioxidant defense, and DNA repair.
Typical longevity dose: 100-200 mcg/day
Price Comparison
| Product | Vendor | Price | Per Serving | Trust | |
|---|---|---|---|---|---|
NOW Selenium 200mcg 0.2mcg · capsule · 180 servings | iHerb | $8.99 | $0.05 | 8 | Buy |
Life Extension Super Selenium Complex 0.2mcg · capsule · 100 servings | Life Extension | $10.50 | $0.10 | 9 | Buy |
Thorne Selenium 200mcg 0.2mcg · capsule · 60 servings | Thorne | $12.00 | $0.20 | 9 | Buy |
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Key Research
Selenium supplementation supports thyroid function and may reduce cancer risk at optimal doses.
Rayman MP, et al. (2012). Lancet
Interaction Warnings
High-dose Vitamin C
Very high dose Vitamin C may reduce selenium absorption — take separately
Synergies
Vitamin E
Both support antioxidant defense systems
Disclaimer: This information is for educational purposes only and is not medical advice. Research citations are provided for reference — consult your healthcare provider before starting any supplement regimen. Prices are estimates and may not reflect current retail pricing.