Vitamin D Supplement

1. Do You Need a Vitamin D Supplement? on Yahoo! Health
May 23, 2008 ... Vitamin D deficiency can cause weakened bones and lead to osteoporosis. Recent
research has now linked a vitamin D deficiency to ...

2. Vitamin D, Linus Pauling Institute
Nov 7, 2008 ... Most vitamin D supplements available without a prescription contain ... A number
of calcium supplements may also provide vitamin D. Safety .

3. Calcium and Vitamin D - UMHS Approved Clinical Care Guideline
If you have been told to take a vitamin D supplement, a dose between 400-800
International Units (IU) per day is safe and potent. Older patients should take
...