Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Hypothetical distributions of dietary intakes highlighting the impact of measurement error at the tails of the distribution. Reproduced with permission from Bailey et al. (7). EAR, Estimated Average Requirement; UL, Tolerable Upper Intake Level.
