Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Elderberry, particularly from the species Sambucus nigra, is traditionally used as a remedy for colds and flu-like symptoms. In recent years, scientific studies have begun to investigate these claims. Some randomized controlled trials and in vitro studies suggest that elderberry extracts may reduce the duration and severity of cold symptoms. For example, a 2016 meta-analysis found that elderberry supplementation was associated with a significant reduction in upper respiratory symptoms. Laboratory studies indicate that elderberry contains bioactive compounds, such as flavonoids, which may inhibit the replication of certain respiratory viruses and modulate inflammatory responses. However, while these findings are promising, the number of high-quality human trials is limited, and sample sizes are generally small. Additionally, most studies use standardized commercial extracts rather than unspecified preparations, so results may not be universally applicable to all elderberry products. Safety data for short-term use appear favorable, but long-term safety is not well established. In summary, there is moderate scientific evidence supporting elderberry’s use in alleviating cold symptoms, but further large-scale, well-designed studies are needed to confirm efficacy and safety.

More about Elderberry (unspecified)
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Other ingredients used for Colds (general)

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