Evidence supporting the use of: Licorice
For the body system: Bronchials

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Synopsis

Source of validity: Traditional
Rating (out of 5): 3

Licorice (Glycyrrhiza glabra) has a long history of traditional use in supporting respiratory and bronchial health. In traditional Chinese medicine, licorice root is commonly included in herbal formulas to help soothe the throat, reduce phlegm, and ease coughs. Similar uses are found in Ayurveda and various European folk medicine traditions, where licorice is valued for its demulcent (soothing) and expectorant properties. The sweet-tasting root is believed to coat mucous membranes, reduce irritation, and support the clearance of respiratory secretions.

Modern research has explored some of these traditional claims. Licorice contains compounds such as glycyrrhizin, which has demonstrated anti-inflammatory and mild antimicrobial effects in laboratory studies. Some small clinical studies suggest licorice extracts may have positive effects on cough and sore throat symptoms. However, robust clinical trials specifically validating licorice’s effectiveness for bronchial or respiratory conditions are lacking, and most evidence remains anecdotal or based on historical use.

Overall, licorice’s use for bronchial support is primarily justified by tradition, with moderate support from preliminary scientific data. Caution is advised with long-term or high-dose use due to potential side effects, such as increased blood pressure and electrolyte imbalances.

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