Gluten Free Non Gmo Le Certified Supports a Healthy Liver Dietary Supplement What Is Silymarin? Silymarin is the major active compound from milk thistle extract (Silybum marianum) and offers powerful antioxidant support for the liver. Our Silymarin is formulated with the same ingredients as clinical studies to help support healthy liver function. The silymarin compound comes from milk thistle (Silybum marianum). It is well-known to support healthy liver function. Silymarin Benefits Supports healthy liver function Promotes a healthy inflammatory response at the cellular level Provides powerful antioxidant support