Evidence supporting the use of: Nettle
For the body system: Lymphatics

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Synopsis

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

Nettle (Urtica dioica) has a long history of use in traditional medicine, particularly within European and North American herbalism, to "support" the lymphatic system. Traditional herbalists have valued nettle as a "blood purifier" and believed it could help reduce lymphatic congestion and promote the elimination of waste through the lymph. This is often based on its diuretic properties and observed effects in reducing mild edema or swelling, which has sometimes been attributed to improved lymphatic function. However, much of this is grounded in empirical tradition rather than controlled scientific study.

Modern research on nettle focuses largely on its anti-inflammatory, antioxidant, and diuretic effects, with the most robust evidence relating to conditions like allergic rhinitis, joint pain, and benign prostatic hyperplasia. There is little to no direct scientific research specifically examining nettle’s effects on lymphatic function or lymphatic diseases. Therefore, while there is a strong traditional basis for its use in "supporting the lymphatics," this is not substantiated by direct scientific evidence targeting the lymphatic system itself.

Overall, nettle’s use for the lymphatic system is justified by tradition, with a low strength of evidence (2/5), as modern science has not specifically validated this use.

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