Which mineral is essential for the proper functioning of the enzyme thyroperoxidase, involved in thyroid hormone synthesis?

A Iodine ✓
B Zinc
C Copper
D Manganese

Explanation

Iodine is necessary for the production of thyroid hormones, and thyroperoxidase is an enzyme that catalyzes the incorporation of iodine into thyroglobulin.

Mnemonic

Iodine = Io-dine, essential for thyroid function

Source

American Thyroid Association
Minerals and Trace Elements Endocrinology Thyroid Hormone Synthesis Medium MEDICAL Confidence: high