Liver Complaint. Mandrake Root for

"Dry and powder the mandrake root (often called may-apple) and take about one teaspoonful." This dose may be repeated two or three times a day, according to the requirements of the case. This is a stimulant, a tonic and a laxative, and is especially good when the liver is in a torpid and inactive condition.

Source: Mother's Remedies: Over One Thousand Tried and Tested Remidies from Mothers of the United States and Canada, T. J. Ritter