Does Kelp Help With Thyroid Tsh?
Raises TSH levels in healthy adults, even at low doses, within 4 weeks of daily supplementation.
Moderate EvidenceEvidence Summary
Raises TSH levels in healthy adults, even at low doses, within 4 weeks of daily supplementation.
Effective Dose
2–4 kelp capsules/day (dose-dependent effect observed)
Supporting Studies
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