Marin is a combination of silybin and vitamin E. It is available as a single strength. Silybin is the most biologically active component of an extract known as silymarin. Silymarin/silypin has been shown to have beneficial effects on liver function. Vitamin E, a membrane-associated antioxidant, helps protect the liver against oxidant injury. Marin is specially formulated with silybin and vitamin E to provide comprehensive hepatic support.