Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Currants, particularly black currant (Ribes nigrum), have been used traditionally in some cultures to help prevent or alleviate colds. The rationale for their use is primarily based on their high vitamin C content and the presence of anthocyanins and other antioxidants, which are believed to support immune function. However, while vitamin C has been widely studied for its role in immune health and cold prevention, the scientific evidence supporting the use of currants specifically for this purpose is limited. Clinical studies on black currant extracts have shown some beneficial effects on immune markers and antioxidant capacity, but direct evidence for cold prevention is lacking. Most references to currant use for colds are based on traditional herbal medicine practices rather than robust clinical trials. Therefore, the use of currants for cold prevention is justified mainly by tradition, with minimal scientific validation, and the strength of evidence is weak (rated 1 out of 5).

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