Synopsis

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

Coriolus mushroom (also known as Turkey Tail, Trametes versicolor) has a long history of use in traditional Chinese medicine, where it is called Yun Zhi. Traditionally, it has been used to support general immune health and to help the body resist infections, including colds and other viral illnesses. The rationale for its use is rooted in the belief that medicinal mushrooms can “strengthen Qi” and boost the body’s defense mechanisms.

Modern research has focused on polysaccharopeptides (such as PSK and PSP) extracted from Coriolus, which have demonstrated immune-modulating and some antiviral effects in laboratory settings. However, there are no well-designed clinical trials specifically investigating Coriolus for the prevention or treatment of the common cold in humans. Most available evidence relates to its use as an adjunct in cancer therapy or for general immune support, not for specific viral respiratory infections like the cold.

Thus, the use of Coriolus mushroom for colds is primarily justified by tradition, with limited preclinical evidence suggesting it may stimulate immune responses. The overall scientific support for its use against colds is weak, and evidence should be considered preliminary.

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