Blood Purifier, Doctor Recommends Senna and Salts for

"Five cents' worth of senna leaves, one tablespoonful of epsom salts in one quart of
cold water; cover and let stand over night, then strain and put in bottles. Take a wine-glass full every morning until you feel well." This is from Mrs. Jonathan Shaw, she has used it with good results in her family. A physician in England told her if people would use this the year round they would seldom need a doctor.

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