200mcg selenium daily reduces thyroid peroxidase (TPO) antibodies by 40-60% in Hashimoto's. The thyroid contains more selenium per gram than any other organ in the body.
Take 200mcg selenium as selenomethionine daily. Or eat 2 Brazil nuts daily (richest food source).
Do not exceed 400mcg daily (toxicity). Brazil nuts vary widely in selenium content.
This information is for educational purposes only and is NOT medical advice. Always consult a qualified healthcare professional.