Keith Roach: Recommended daily vitamin D dose may vary

Dear Dr. Roach: Is there a limit as to how much vitamin D should be taken a day? I am 83 years old, have taken Femara for 10 years, have had several rounds of prednisone , and I am getting about 1,950 IU of vitamin D daily.

http://www.detroitnews.com/article/20131228/LIFESTYLE09/312280011/1040/rss34