Wild Yam (Aluka (Wild Yam))
Wild Yam, scientifically known as Dioscorea villosa, is an herb with a rich history in traditional medicine, including Ayurvedic and Native American practices. It has been traditionally used for a range of conditions such as menstrual cramps, digestive...
Botanical name: Dioscorea villosa.
Classical attributes
- Virya: []
- Vipaka: []
Dosha effects
- vata: decreasing
- kapha: decreasing
- pitta: balancing
Clinical evidence
Meta-analyses and clinical trials on Dioscorea villosa extracts, particularly for menopausal symptoms and PMS, have largely shown limited to no benefit beyond placebo. The notion of wild yam acting as a 'natural progesterone' is a misconception, as the human body lacks the enzymes to convert its primary constituent, diosgenin, into human hormones when ingested or applied topically. A randomized, placebo-controlled study involving 50 postmenopausal women using wild yam cream found no significant effects on menopausal symptoms or hormone levels compared to placebo. While some traditional uses point to anti-inflammatory and antispasmodic effects, direct human clinical trials supporting these for the whole herb are insufficient. Overall, the enthusiasm for Wild Yam often outpaces the scientific evidence for its direct therapeutic efficacy, especially concerning hormonal modulation.
Ayurvedic karmas
- Balya (strength promoting)
- Kapha-hara (Kapha destroying)
- Hridya (cardiac tonic)
- Deepana (enhances digestion, inferred from malabsorption cure)
Classical clinical indications
- Malabsorption syndrome (Grahani)
- Hemorrhoids (Arsha)
- Heart disease (Hridroga)
- General debility (as a strength promoter)