"We have yet to see well-conducted research that categorically supports the use of vitamin and mineral supplements," says Linda Van Horn, Ph.D., a professor of preventive medicine at Northwestern ...

And three antioxidant vitamins—A, E, and beta-carotene—actually increased the risk of death. Even the good old multivitamin, far and away the supplement purchased most often in the U.S., has ...

a B-complex vitamin. And for those people, there is no clear evidence that the supplements make a difference. Dr Pieter Cohen ...

While mushrooms are filled with potassium, selenium, and antioxidants, if you want to take a supplement you need to ask your doctor first.