Milk thistle extract is a botanical ingredient derived from the seeds of Silybum marianum, a flowering plant traditionally used in herbal preparations. It is valued for its naturally occurring flavonolignans, collectively known as silymarin. Carefully processed to maintain quality, purity, and consistency, milk thistle extract is widely used in nutraceuticals, dietary supplements, and herbal formulations. Its distinctive phytochemical profile makes it a popular ingredient in botanical wellness products and plant-based supplement applications.