ELI5: Explain Like I'm 5

Iodised salt

Iodised salt is a type of salt that has had iodine added to it. Iodine is a mineral that helps your body stay healthy. Your body needs iodine to make thyroid hormones, which help control your metabolism and how your body grows and works. When people don't get enough iodine, it can cause thyroid problems and other health problems. Adding iodine to salt helps make sure everyone gets enough iodine in their diet. You can tell if a salt is iodised by looking for the word "iodised" on the label.