Synopsis

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

Vervain (Verbena officinalis) has a long history of traditional use in European herbal medicine, primarily as a remedy for respiratory ailments, including congestion. Folk medicine practitioners have used vervain in teas, tinctures, and infusions to alleviate symptoms of colds, coughs, and sinus congestion. Historical herbal texts, such as those by Culpeper and other European herbalists, mention its use as an expectorant and to "clear phlegm." However, modern scientific research on vervain’s efficacy for treating congestion is limited and largely anecdotal. Laboratory studies have identified some anti-inflammatory and mild antimicrobial properties in vervain extracts, but these have not been directly linked to clinical benefits for respiratory congestion in humans. Systematic reviews and clinical trials specifically regarding vervain and congestion are lacking. As a result, while its use for congestion is rooted in tradition and historical herbal practice, there is very little scientific validation to support its effectiveness for this purpose.

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Other ingredients used for Congestion

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