Wild Yam
Herb ·Exploratory record · not publication-reviewed ·Updated July 13, 2026
Wild yam root contains diosgenin, a plant steroid used industrially to synthesize steroid hormones, but the human body does not convert diosgenin into progesterone or estrogen. Topical wild yam cream has not shown meaningful benefit for menopausal symptoms in a small placebo-controlled trial, and oral evidence is limited and mixed. It should not be used as hormone replacement, contraception, fertility therapy, or cancer treatment.
Exploratory record, not a reviewed medical publication.
See the editorial and medical-review policies for the publication gate.
This generated database record has not completed a claim-level review by a qualified human medical reviewer. Bibliography links and evidence labels are not approval. The page remains available for reference and is excluded from search indexing.
What the research says.
A quick, data-only summary. The full evidence, dosing, and sources are below.
Wild Yam is a herb most often used for traditional cramp and digestive-spasm use, marketed for menopause symptoms despite weak evidence, may provide mild topical soothing in cream bases. NutriStack rates the overall evidence as insufficient. A typical adult dose is Product-specific; topical creams vary widely and oral root doses are not standardized for evidence-based menopause use, commonly taken as use only products that clearly state wild yam content and do not imply conversion to progesterone. This profile indexes 3 sources.
The bottom line
Evidence rating insufficient. Most-documented uses: traditional cramp and digestive-spasm use, marketed for menopause symptoms despite weak evidence, may provide mild topical soothing in cream bases. 3 sources indexed (2001–2024), with 0 interaction records on file.
How it works, mechanistically.
Core mechanism
Diosgenin is a steroidal sapogenin that can serve as a laboratory precursor for hormone synthesis, but conversion requires chemical processing and does not occur in human tissues. Proposed anti-inflammatory or smooth-muscle effects remain largely preclinical for Dioscorea villosa. Menopause and PMS claims often rely on a mistaken progesterone-conversion narrative rather than demonstrated endocrine effects.
Dosing & protocol.
Oral products may cause GI upset; topical absorption and systemic endocrine effects are not established.
What it actually costs.
Real-world pricing across three quality tiers. Assumes Wild yam cream or capsule.
Because evidence is weak, higher-priced hormone-balance claims are not clinically justified. Updated 2026-06-04.
Full safety detail.
Side effects
- Nausea
- Vomiting or diarrhea
- Headache
- Skin irritation from topical creams
- Possible menstrual changes reported anecdotally
Sources, by evidence tier.
Numbered references. Citations throughout the page link here.
Randomized controlled trials
1- 1Effects of wild yam extract on menopausal symptoms, lipids and sex hormones in healthy menopausal womenKomesaroff PA et al. · Climacteric · 2001
Wild yam cream had little effect on menopausal symptoms, lipids, or sex hormones compared with placebo.
Reviews & position papers
2- 2Wild YamMemorial Sloan Kettering Cancer Center · About Herbs · 2024
Wild yam is not converted to progesterone in the body and clinical evidence for menopause is weak.
- 3The 2023 nonhormone therapy position statement of The North American Menopause SocietyThe North American Menopause Society · Menopause · 2023
Complementary therapies including wild yam lack consistent evidence for vasomotor symptom relief.
Common questions.
Quick answers about Wild Yam, drawn from the data on this page.
What is Wild Yam?
Wild yam root contains diosgenin, a plant steroid used industrially to synthesize steroid hormones, but the human body does not convert diosgenin into progesterone or estrogen. Topical wild yam cream has not shown meaningful benefit for menopausal symptoms in a small placebo-controlled trial, and oral evidence is limited and mixed. It should not be used as hormone replacement, contraception, fertility therapy, or cancer treatment.
What is Wild Yam used for?
Commonly cited benefits of Wild Yam include: Traditional cramp and digestive-spasm use; Marketed for menopause symptoms despite weak evidence; May provide mild topical soothing in cream bases; Not a proven progesterone source. NutriStack rates the overall evidence as insufficient.
What is a typical dose of Wild Yam?
A typical adult dose of Wild Yam is Product-specific; topical creams vary widely and oral root doses are not standardized for evidence-based menopause use. The commonly recommended form is Use only products that clearly state wild yam content and do not imply conversion to progesterone. These are general ranges, not personalized advice; confirm the right dose with a clinician.
What are the side effects of Wild Yam?
Reported side effects include nausea, vomiting or diarrhea, headache, skin irritation from topical creams, possible menstrual changes reported anecdotally. This is educational information; check with a healthcare professional before use.
How strong is the evidence for Wild Yam?
NutriStack rates this as Insufficient, meaning the body of evidence reviewed in NutriStack's tiering framework. Full tier criteria are at https://nutristackapp.com/methodology/evidence-tiers.
Use this with your stack
Wild Yam in NutriStack.
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