Assertion: potassium iodide's iodine | /r/HasProperty | crucial
Facets:
value: for the synthesis of thyroid hormone
type: PURPOSE
Source sentences:
text: Iodine is a trace mineral which is crucial for the synthesis of thyroid hormone.
text: Iodine is a crucial nutrient that the body gets from our diet – foods like fish and sea vegetables, for example, are rich in iodine.