Figure 2.
Frequency of intake of zinc (n = 714) showing estimated average requirement (EAR = 2.5 mg) and upper limit of intake (UL = 7 mg).
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.