Iodine

Commonly noted

Commonly noted

Iodine is a trace mineral the body uses to make thyroid hormones, which help regulate metabolism.

Low intake

Low iodine intake is commonly discussed in relation to thyroid changes such as an enlarged thyroid (goiter), and is an important topic during pregnancy.

Higher intake

Very high iodine intake is commonly discussed in relation to thyroid changes as well; the commonly cited upper intake level for adults is 1,100 mcg a day.

Source: NIH ODS

Reference intakes

General reference figures for a typical adult, not a personal target.

• rdaadult150 mcgDRI/NASEM
• uladult1100 mcgDRI/NASEM