... Assay Method] HPLC[Appearance] White powder What is Wild Yam?Dioscorea villosa is a species of a twining tuberous vine ... studies during pregnancy, lactation, or childhood.What is Diosgenin?Diosgenin, a steroid sapogenin, is the product of hydrolysis by acids, ... inflammatory, anti-stress, hypocholesterolemic, and estrogenic effects. Dioscorea is antispasmodic, and could be helpful for nausea of pregnant ...