Most people do not need extra calcium or vitamin D, and too much could cause harm, a report
said.
The very high levels of vitamin D that are often recommended by doctors and testing laboratories — and can be achieved only by taking supplements — are unnecessary and could be harmful, an expert committee says. It also concludes that calcium supplements are not needed.
The group said most people have adequate amounts of vitamin D in their blood supplied by their diets and natural sources like sunshine, the committee says in a report that is to be released on
Tuesday. /New York Times
Read more: http://www.nytimes.com/2010/11/30/health/30vitamin.html?nl=health&emc=healthupdateema2
