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.
Vitamin D3 concentration in rat blood serum during 24 days of experiment: rats were divided into three groups; from the 1st to 7th day, each rat in the group was orally given 2000 international units (IU)/kg vitamin D3 presented in different forms: microencapsulated SmartHit IV™, oil-based, and micellized.
