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U.S. Department of Health & Human Services / National Institutes of Health
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Elderberry is the dark purple berry of the European or black elder tree. It has been used in folk medicine to treat colds and flu.
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Currently, elderberry is promoted as a dietary supplement for colds, flu, and other conditions. It has also been promoted for COVID-19, but there is no good evidence to support its use.
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A small number of studies in people have evaluated elderberry for flu and other upper respiratory infections. Little research has been done on other uses of elderberry.
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Some preliminary research suggests that elderberry may relieve symptoms of flu or other respiratory infections.
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There’s not enough information to show whether elderberry is helpful for any other health purposes.
What Do We Know About Safety?
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Raw unripe elderberries and other parts of the elder tree, such as the leaves and stem, contain toxic substances that can cause nausea, vomiting, and diarrhea. Cooking eliminates this toxin.
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Don’t rely on elderberry or other dietary supplements for prevention or treatment of COVID-19. They have not been shown to be effective.
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