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Having a vitamin deficiency (such as of calcium or magnesium) may be linked with teeth grinding, so it's important to follow a well-balanced, nutritious diet and take a multivitamin supplement if needed.
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Ofri, an assistant professor of medicine at New York University Medical School, says when patients complain about being tired, for example, she'll sometimes suggest they take a multivitamin, even though there's no proof they work against fatigue.
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So should men take a multivitamin?
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