Evidence supporting the use of: Dioscorea nipponica
For the health condition: Edema

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Synopsis

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

Dioscorea nipponica has been traditionally used in East Asian medicine, particularly in Chinese and Korean herbal practices, for the treatment of edema and related conditions. Historical records and classical herbal texts describe the use of its rhizomes as a diuretic agent, which promotes urination and helps reduce fluid retention. The traditional rationale is based on its purported ability to clear “dampness” from the body—an important concept in traditional Chinese medicine (TCM) that often correlates with symptoms like edema.

Modern scientific studies on Dioscorea nipponica have focused primarily on its anti-inflammatory and analgesic properties, mainly due to its content of steroidal saponins such as dioscin. While some laboratory and animal studies indicate diuretic effects, the evidence remains preliminary, and well-controlled clinical trials specifically evaluating efficacy for edema in humans are lacking. Therefore, the use of Dioscorea nipponica to treat edema is justified by tradition rather than strong scientific backing. Most of the available evidence is anecdotal or based on traditional usage patterns, with a limited number of pharmacological studies suggesting possible mechanisms. Until more rigorous clinical research is published, the rating for scientific evidence remains modest, and recommendations for its use should be made with caution.

More about Dioscorea nipponica
More about Edema

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Products containing Dioscorea nipponica

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