Does selenium supplementation benefit people with newly diagnosed Graves' hyperthyroidism?

In the GRASS randomised trial, selenium did not improve remission rates or quality of life compared with placebo.

Randomised trial · European Thyroid Journal 2026

Reference: Cramon P, et al. Selenium supplementation in individuals with newly diagnosed Graves' hyperthyroidism: a double-blind, multicentre RCT. Eur Thyroid J. 2026;15(1). doi:10.1530/ETJ-25-0264. PMID: 41384622. https://pubmed.ncbi.nlm.nih.gov/41384622/

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