Root & Tuber · Root/Rhizome

Wild Yam

Provisional Moderate ScoreCompound

Hermetica Superfood Encyclopedia

Published March 15, 2026Last updated March 15, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Wild yam (Dioscorea villosa) contains steroidal saponins, primarily diosgenin and dioscin, which influence hormone pathways by upregulating aromatase expression and stimulating estradiol biosynthesis in ovarian tissues. The plant's phenanthrene compounds demonstrate cyclooxygenase enzyme inhibitory activity comparable to NSAIDs, while its proteins modulate follicle-stimulating hormone receptor expression.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryRoot & Tuber

GroupRoot/Rhizome

Public Score StatusProvisional Moderate

Primary KeywordWild Yam benefits

Wild Yam — botanical close-up

Reported Benefits (Provisional)

Supports hormonal balance

and women's health by providing diosgenin, a phytoestrogen that may influence progesterone levels.

Alleviates symptoms associated

with menopause, such as hot flashes and mood swings, through its harmonizing effects.

Reduces smooth muscle

tension and cramping, offering relief for menstrual discomfort and digestive spasms.

Exhibits anti-inflammatory properties,

potentially beneficial for arthritis, joint discomfort, and musculoskeletal health.

Supports digestive health

by enhancing bile production and soothing gastrointestinal tissues.

Enhances skin elasticity

and collagen regeneration through antioxidant action and dermal healing support.

Origin & History

Natural habitat

Wild yam, Dioscorea villosa, is a tuberous vine native to North America, particularly the eastern United States, thriving in moist woodlands and along riverbanks. It is also found in parts of Central America and Asia. Traditionally valued for its role in women's health and its anti-inflammatory properties.

“Deeply woven into Indigenous and early American herbal traditions, Wild Yam was used by Native Americans to regulate menstrual cycles, ease labor pains, and support women's reproductive health. It was also valued in Ayurvedic medicine for balancing Vata and Pitta doshas, promoting digestive health, and alleviating inflammatory conditions.”Traditional Medicine

Research Narrative (Provisional)

While clinical evidence remains limited, in vitro and animal studies suggest diosgenin’s potential to influence hormone pathways and reduce inflammation. Traditional use strongly supports its applications in women's health and digestive support, informing ongoing research.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

- Saponins (Diosgenin) - Alkaloids - Tannins - Mucilage - Flavonoids - Vitamin C - Fiber - Magnesium - Potassium - Chlorophyll

Reported Mechanism (Provisional)

Mechanism of Action

Diosgenin, structurally similar to cholesterol, undergoes hepatic metabolism and distributes to the liver, adrenals, and gastrointestinal tract walls where it serves as a precursor for synthetic estrogens and DHEA. Dioscorin proteins upregulate aromatase expression and follicle-stimulating hormone receptors, stimulating estradiol and progesterone secretion in ovarian cells. Phenanthrene compounds inhibit cyclooxygenase enzymes while polysaccharides enhance antioxidant enzyme activities including superoxide dismutase and glutathione peroxidase.

Clinical Narrative (Provisional)

Clinical evidence for wild yam remains limited, with most research consisting of in vitro and animal studies rather than human trials. Rat studies demonstrate dioscorin's ability to stimulate estradiol biosynthesis in ovarian cells and improve bone mineral density, while also upregulating brain-derived neurotrophic factor in the prefrontal cortex. Laboratory studies show yam glycoproteins exhibit anti-inflammatory and immunomodulatory effects, and polysaccharides increase hepatic glycogen content. However, quantitative human clinical data with specific dosages, sample sizes, and measured outcomes are not currently available in peer-reviewed literature.

Also Known As

Dioscorea villosaColic rootDevil's bonesRheumatism rootChina rootWild Mexican yam

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

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