HypeCheck

Does Kelp Help With Thyroid Tsh?

Raises TSH levels in healthy adults, even at low doses, within 4 weeks of daily supplementation.

Moderate Evidence

Evidence 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)

Products Containing Kelp

Other Claims About Kelp