Fenugreek also contains a compound called diosgenin which helps new mothers to lactate, and according to some stories I've read, produce gallons after gallons of breast milk... (supernaturalacnetreatment.com)
They are derived from diosgenin, which is sourced from Mexican yams. (mariongluckclinic.com)
It is also rich in a compound called diosgenin which has estrogen - like properties and steroidal saponins. (pureella.com)