Synopsis

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

European Vervain (Verbena officinalis) has a long history of traditional use in European herbal medicine, where it has been employed for various ailments, including as a remedy for swollen glands, which are commonly associated with lymphatic congestion or infectious diseases. Historical herbal texts, such as those by Nicholas Culpeper and other early European herbalists, mention vervain as a "detergent" or "cleansing" herb, believed to promote the resolution of swellings and improve glandular function. The traditional use is largely based on empirical observations and folklore rather than rigorous scientific studies. Modern phytochemical analyses have identified various compounds in European Vervain, such as iridoids, flavonoids, and glycosides, but there is little to no direct scientific evidence or clinical trials specifically validating its effectiveness for swollen lymph glands in humans. Any lymphatic or glandular support attributed to vervain remains rooted in its traditional use rather than supported by modern medical research. Therefore, the evidence supporting this use is weak (rated 1/5), and those seeking to address glandular swellings should consult a healthcare professional for evidence-based treatments.

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