Is Zinc Good for Colds?
There’s no proven cure for a cold, but many people have remedies they swear by when they’re feeling under the weather. (Chicken soup or citrus fruit, anyone?) One common strategy is taking tablets or lozenges that contain zinc, a natural mineral that helps the immune system fight back against bacteria and viruses.
But many experts don’t recommend that people pop zinc tablets at the first sign of a sniffle. Dr. Katharine DeGeorge, a family-medicine physician at the University of Virginia who has studied cold remedies, is one of them. “Some people might benefit,” she says. “But that comes at a cost—a monetary cost, and a risk of adverse events, too.”
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Zinc users do have some science to back their decision. Some research suggests that zinc may stop the cold virus from binding to cells in the body and copying itself, potentially shortening the length of an illness. (Some scientists have researched whether zinc has the same effect against other viruses, s..