Shopping for a multivitamin has crossed the line from being confusing to becoming mind-bending. On a recent visit to a CVS store in the New York City area, our reporter counted no fewer than 50 ...

To help you remember, take it at the same times each day. Iron may cause your stools ... Lab and/or medical tests (such as complete blood count, vitamin B12 levels) may be done while you are ...

There is one caveat to consider: The efficacy of multivitamins is not exactly agreed ... dose based on each product’s suggested dose per day.

When the Institute of Medicine announced last fall that it was changing the amount of vitamin D it recommends most adults get each day from 200 international units (IU) to 600 IU, some critics ...