Double Strength Milk Thistle Extract Supports Liver Function With Artichoke & Dandelion Non-GMO A Dietary Supplement Vegetarian/Vegan Botanicals/Herbs Family Owned Since 1968 Quality Assured - GMP Silymarin (Silybum marianum), also known as Milk Thistle, has been used by traditional herbalists for centuries. Scientific studies have indicated that constituents in Silymarin may help to support healthy liver function. This vegetarian formula also includes Artichoke & Dandelion for additional support.