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Brazil nuts and mixed nuts on a wooden board, a natural source of selenium

September 5, 2026

Selenium and Thyroid Function: Deficiency Signs and Who's Actually at Risk in the UK

Selenium keeps your thyroid running, but UK soil doesn't hand you much of it. Here's who's actually short, how much you need, and what the evidence on Hashimoto's really shows.

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Selenium and Thyroid Function: Deficiency Signs and Who's Actually at Risk in the UK