Synopsis

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

Goji berry (Lycium barbarum) has been used in traditional Chinese medicine (TCM) for centuries, primarily to nourish the liver and kidney, improve vision, and enhance immune function. In the context of colds and viral infections, goji berry is traditionally regarded as a general tonic that supports the body’s defensive qi (immunity), though it is not a primary remedy for acute viral infections in TCM texts. Its inclusion in formulas for immune support is common, reflecting a historical belief in its ability to strengthen overall resistance to illness.

Modern scientific research provides limited but emerging evidence that goji berries may have immune-modulating and mild antiviral properties, mainly attributed to their polysaccharides and antioxidant compounds. Several in vitro and animal studies have shown that extracts from goji berries can enhance immune cell activity and increase the production of certain cytokines. However, clinical studies in humans specifically examining goji berry’s efficacy in preventing or treating the common cold or other viral infections are sparse and generally inconclusive. No large, well-designed trials have yet established a direct antiviral effect in humans.

Therefore, the use of goji berry for supporting or treating colds is primarily based on traditional use, with some preliminary scientific rationale, but insufficient clinical evidence to strongly support its effectiveness for this specific purpose.

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