Thyroid Support

Supplements studied for supporting thyroid gland function.

13 supplements have studies linked to this goal. Iodine scores highest (9/10), followed by Selenium (7/10) and Inositol (3/10). 2 of them reach moderate or strong support — the rest are thinly studied or showed little effect.

Supplements rated for Thyroid Support

How to read these scores

The 0–10 score reflects how well the evidence supports a supplement for this specific goal, independent of how much it has been studied overall. It is an editorial rating checked against meta-analyses — how we set it.