Posted by DSCH on October 12, 2003, at 10:13:12
Some calcium and/or magnesium supplements also have a considerable amount of vitamin D in them. In combining these with a multivitamin one can easily exceed the US RDA for vitamin D. Is there a well established upper limit for it?
poster:DSCH
thread:268653
URL: http://www.dr-bob.org/babble/alter/20031003/msgs/268653.html