Ask Dr. Hallberg: New studies question benefit of multivitamins for disease prevention

Dr. Jon Hallberg
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 of Dr. Jon Hallberg

If you take a daily vitamin, you're not alone. About one-third of the adult population takes a multi-vitamin. Americans spend more than $20 billion annually on vitamins and supplements.

New studies out now in the Journal of the American Medical Association shed some light into whether there's any benefit in taking a supplement each morning.

Dr. Jon Hallberg, MPR's medical analyst and a physician in family medicine at the U of M, speaks on the use of vitamins and supplements.

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