Milk thistle is named for the "milk" that exudes from the leaves when they are cut, but it is the seeds that have made their mark as an herbal remedy. It contains a compound called silymarin, which has been used to help protect the liver from toxins. Milk thistle has also been used as a hangover remedy and to help increase breast milk production. Orange and grapefruit notes are added to create a bright and cleansing cup.