Ms Lydia Pinkham created and sold a "medicinal compound" for which she is referenced by several folk songs: "The Ballad of Lydia Pinkham," and also "Lily the Pink".
A version of "Lily the Pink" was a No 1 hit in the United Kingdom in 1968/69 by The Scaffold (written by the brother of infamous beatle Paul MaCartney
The reason this humble women's home-made tonic was the subject of joking folk songs, and the tonic was so so successful in the 1920 - 1930's was its availability! It was a 40-proof pick-me-up, during American Prohibition.