Figure 2.
(A) Narrow range of adequate blood Se concentration, levels below and above, risk of deficiency and toxicity, respectively. (B) Recommended daily intake of Se, below and above, risk of adverse effects on health.
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.