Iodized salt is a type of salt that has been mixed with a small amount of iodine. Iodine is a mineral that our body needs for proper growth and brain development. By adding iodine to salt, it helps prevent iodine deficiency, which can cause health problems like goiter or mental impairment. So,
iodized salt is just regular salt with a bit of iodine added to keep us healthy.
Full definition