Silybum marianum, commonly known as milk thistle, is a flowering plant native to the Mediterranean region. It is characterized by its distinctive purple flowers and spiky green leaves, which often have white veins. The plant is well-known for its seeds, which contain a compound called silymarin, believed to have antioxidant and anti-inflammatory properties. Milk thistle has been used in traditional medicine for centuries, primarily for liver health. It is often taken as a dietary supplement to support liver function and protect against toxins. Research continues to explore its potential benefits for various health conditions, including liver diseases and diabetes.