8,000 IU of vitamin D won’t cause overdose
DEAR DR. ROACH: Several years ago, in my early 80s, my gynecologist told me (like all women who mainly stayed indoors) that I should be taking 4,000 IU of vitamin D3 daily. Yet today, I read an article warning that many people are overdosing on vitamin D. Is this really a concern? –– L.M. ANSWER: Overdosing on vitamin D is dangerous. Last month, I had a patient who had elevated levels of calcium, which caused typical symptoms of confusion, vomiting and muscle weakness. She was found to have a very high blood vitamin D level. (She had mistaken the instructions for taking vitamin ...