Synopsis

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

Dioscorea collettii and Dioscorea hypoglauca are species of yam used in Traditional Chinese Medicine (TCM), often referred to as "bitter yam" or "wild yam." Historically, their rhizomes have been incorporated into herbal remedies, sometimes to address conditions believed to involve the reproductive system, such as pelvic inflammatory disease, menstrual irregularities, or infertility. The traditional rationale is rooted in TCM concepts like “removing dampness and heat” and “activating blood circulation,” which are thought to benefit reproductive health. However, the direct use of Dioscorea collettii or Dioscorea hypoglauca specifically for reproductive system support is not as prominent or direct as with some other Dioscorea species, such as Dioscorea opposita (Chinese yam).

Scientific evidence supporting these species for reproductive health is limited. Most modern research on these yams focuses on their anti-inflammatory, analgesic, and uricosuric activities (especially for gout and rheumatic diseases), not reproductive effects. There is a lack of robust clinical trials or pharmacological studies demonstrating efficacy for fertility, hormonal balance, or direct reproductive benefits. Thus, their use for the reproductive system is primarily traditional, with low-to-moderate supporting evidence, mostly based on historical use rather than validated scientific research.

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