Evidence supporting the use of: Dioscorea
For the health condition: Dysmenorrhea

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Synopsis

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

Dioscorea, commonly known as wild yam (especially Dioscorea villosa), has a long history of traditional use for various women’s health concerns, including dysmenorrhea (painful menstruation). In traditional herbal medicine, particularly among Native American and early European-American herbalists, wild yam was valued for its purported antispasmodic and anti-inflammatory properties. It was often used in teas or tinctures to help relieve menstrual cramps and discomfort.

The rationale for its use comes from historical belief that wild yam contains compounds that can influence hormone balance or reduce uterine muscle spasms. Diosgenin, a major constituent of some Dioscorea species, is a steroidal saponin that can be converted in the laboratory to progesterone and other steroids; however, there is no evidence that the human body can make this conversion after consuming wild yam. Thus, the actual mechanism by which Dioscorea might relieve dysmenorrhea is not well understood and has not been scientifically validated.

Clinical studies supporting the efficacy of Dioscorea for dysmenorrhea are lacking. Most available information comes from anecdotal reports and historical usage patterns. Modern herbalists may still recommend it based on tradition, but systematic reviews and randomized controlled trials are either lacking or do not show convincing evidence for its benefit in dysmenorrhea. Therefore, while Dioscorea is traditionally used for this purpose, scientific validation is limited.

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