Synopsis

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

Glehnia root (Glehnia littoralis), known as "Bei Sha Shen" in Traditional Chinese Medicine (TCM), has a long history of use for treating sore throat and respiratory conditions. In TCM, it is classified as a tonic herb that nourishes the lungs and stomach, moistens dryness, and is commonly included in formulas for dry coughs, hoarseness, and sore throat caused by internal dryness or heat. The traditional use is documented in classical Chinese medical texts, where it is described as an effective remedy for "dry throat" and "throat pain," especially when these symptoms are related to yin deficiency.

Modern scientific studies on glehnia root are limited, and while some laboratory research suggests anti-inflammatory and antioxidant properties, there is a lack of robust clinical trials specifically evaluating its efficacy for sore throat in humans. The main support for its use in this context remains its established role in herbal practice, not strong scientific validation. Therefore, while glehnia root is widely used traditionally for sore throat, the evidence supporting its effectiveness is modest and primarily based on historical practice rather than rigorous clinical research.

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