Ask Dr. Jon Hallberg: Are vitamin supplements actually necessary?
Dr. Jon Hallberg is assistant professor in family medicine at the University of Minnesota, and medical director at Mill City Clinic. He is a regular medical analyst on MPR's All Things Considered.
Photo courtesy Tom Bloom
Despite the wide use, the effects of multivitamins can still be controversial. For Dr. Jon Hallberg, multivitamins are among the most common items he sees on patients' medication lists. Federal estimates indicate about half of the American people take them.
Hallberg joins MPR News' Tom Crann of All Things Considered to talk about what's in multivitamins and if they're actually necessary.
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