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Minerals
Selenium
Essential for glutathione peroxidase and thyroid hormone metabolism; antioxidant and immune support
Gabriel Score
85/ 100Excellent
CategoryMinerals
Applications5 conditions
FormsSelenomethionine (organic, best absorbed), sodium selenite (inorganic)
How it works
Essential for glutathione peroxidase and thyroid hormone metabolism; antioxidant and immune support
Typical Dosage
200mcg/day (therapeutic), 100-200mcg/day (maintenance)
Used for
Thyroid disordersImmune deficiencyCancer preventionFertilityCardiovascular disease
Practical Guide
Available Forms
Selenomethionine (organic, best absorbed), sodium selenite (inorganic)
Natural Food Sources
- •Brazil nuts (1-2/day)
- •Seafood
- •Organ meats
- •Whole grains
Dosing should be individualized. Consult a qualified healthcare practitioner.
The Science
Evidence Base
Excellent85/100
Brazil nuts highest source (vary widely); essential for thyroid; narrow therapeutic window
Works Well With
Vitamin EIodineZinc
Safety Profile
Interactions
- May interact with chemotherapy
- High doses toxic
Contraindications
- Selenosis (>400mcg/day long-term)
Trusted Brands
Pure EncapsulationsThorneLife Extension
Build Your Protocol
Work with a practitioner to design a personalized supplement protocol.
Find a PractitionerCategoryMinerals
Applications5
Gabriel Score85/100
Educational purposes only. Consult a qualified healthcare provider before starting any supplement protocol.