Question: what are the best vitamins to take for an underactive thyroid?
Answer: Iodine Is Needed to Make Thyroid Hormone. ...  Vitamin B Is Important for Thyroid Function. ...  Selenium Is Essential for Thyroid Hormone Metabolism. ...  Zinc Helps Synthesize Thyroid Hormone. ...  Tyrosine, in Combination With Iodine, Produces Thyroid Hormone.