Bio-Botanica, Inc. Wild Yam Root In Butylene Glycol is a product belonging to the plant family Dioscoreaceae. Its Latin name is Dioscorea villosa. The key chemical constituents include steroidal saponins, mainly diosgenin, phytosterols, beta-sitosterol, alkaloids, tannins, starch, and resin. This product falls into the functional categories of food, beverage, and dietary supplements, with a focus on digestive health, sexual health, and bone and joint support.