Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Sea Buckthorn (Hippophae rhamnoides) has been used in traditional medicine systems, particularly in Asia and Eastern Europe, to support immune health and prevent colds. Traditional uses are based on the plant’s high content of vitamin C, flavonoids, and other antioxidants, which are believed to contribute to general immune support. Folk remedies often employ Sea Buckthorn berries, juices, or oils as dietary supplements during the cold season to bolster resistance to infections.

However, while there is some preliminary scientific interest in Sea Buckthorn’s immunomodulatory and antioxidant activities, direct clinical evidence supporting its effectiveness in preventing or treating the common cold is lacking. Most scientific studies focus on its nutrient profile and broad antioxidant effects, rather than specific outcomes related to cold prevention. A few small-scale studies suggest possible benefits to immune function, but these are not robust or conclusive for cold prevention. As a result, its use for this purpose remains primarily rooted in tradition rather than established scientific validation.

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