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selenium and thyroid medication

Selenium supports thyroid hormone conversion

What's happening

Selenium is essential for deiodinase enzymes that convert T4 to active T3. Adequate selenium may improve thyroid medication effectiveness, especially in autoimmune thyroiditis (Hashimoto's).

Recommendation

200 mcg selenium may support thyroid function. Don't exceed this dose.

Timing

Can take separately from thyroid medication

Sources

  • Journal of Clinical Endocrinology & Metabolism
  • PMID: 12213876

Frequently Asked Questions

Can I take selenium and thyroid medication together?

Selenium supports thyroid hormone conversion. 200 mcg selenium may support thyroid function. Don't exceed this dose.

How should I time selenium and thyroid medication?

Can take separately from thyroid medication

Is this interaction dangerous?

This interaction is rated “Info” by Formulate. Selenium is essential for deiodinase enzymes that convert T4 to active T3. Adequate selenium may improve thyroid medication effectiveness, especially in autoimmune thyroiditis (Hashimoto's).

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Medical disclaimer. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.