MARIAN THISTLE from Lamberts . Food supplement that acts as a hepatoprotector thanks to its ability to regenerate liver cells. Although it is commonly known as Cardio Mariano, its scientific name is Silybum Marianum and its active principle is Silymarin. Silymarin is composed of three isomers called silybin, silydanin, and silicristin, all of which are classified as flavonolignans, with silybin being the most important component. Currently it is the best known natural remedy as liver support, a natural protector that helps promote purification.