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.
Retinoid concentrations in mouse proximal jejunum (A) and serum (B) after 5 days of the vitamin A-enriched diet or the control diet. Results are means ± SE (n = 6 for A; n = 3 for B). Clearly, a much greater amount of vitamin A was absorbed and retained in mice fed vitamin A-supplemented diets.
