“This study aimed to examine the adequacy and trends of iodine intake of United States girls and women between 2011 and 2020.”

“Trends of usual intakes, urinary iodine concentrations, and estimated intake adequacy were calculated.”

“Intake insufficiencies estimated from urinary iodine concentrations were 48.8%, 63.2%, and 31.3% for nonpregnant, nonlactating women of reproductive age 15–49 y old, pregnant and lactating women, respectively, in the 2017–2020 period.”