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What do systematic reviews say?

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Evidence found and GRADE certainty

1 questions · 1 findings · 1 reviews · Metabolic and Endocrine Disorders

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 1 · 100%Moderate 0 · 0%High 0 · 0%

Selenium (+LT4) vs placebo (+LT4)

Adverse events post‐intervention Number of people reporting an adverse event before completing the intervention · participants with Hashimoto's thyroiditis.

Selenium (+LT4) showed no clear difference in proportion of participants reporting an adverse event compared with placebo (+LT4) (low certainty).

1 finding from 1 review