Sodium iodide (NaI) is an ionic compound formed from the reaction of sodium and iodine. Here are some key points about it:

Uses and Benefits:

1. Medical Uses:

   • Nutritional Supplement: Used to treat and prevent iodine deficiency, which is essential for thyroid function12.

   • Radiopharmaceuticals: Radioactive isotopes of sodium iodide (e.g., Na-131) are used in the diagnosis and treatment of thyroid cancer and hyperthyroidism