Taking Multivitamins Won't Prevent Canker Sores, University of Connecticut Study  
4/6/2012 7:31:46 AM

Although vitamin deficiencies have been linked to canker sores, taking a daily multivitamin won't prevent this common mouth ailment, a new study finds. The study found that people with recurrent aphthous stomatitis (RAS), the medical name for canker sores, received no benefit from taking a daily multivitamin as a preventive measure.