Vitamin A And D

1. Vitamin D Council | Understanding Vitamin D Cholecalciferol
Vitamin D Council is a nonprofit organization whose mission is to increase
public and professional awareness of the health benefits of vitamin D and to end
...

2. Vitamin D - MayoClinic.com
Vitamin D is found in many dietary sources such as fish, eggs, ... The major
biologic function of vitamin D is to maintain normal blood levels of calcium ...