Premium quality herbal supplement. Nature's Herbs Burdock Root is native to Europe and Asia, but if allowed, can grow almost anywhere. The name is a combination of bur because of is tenacious burrs, and dock , Old English for large leaves. Our exclusive Freshcare System inhibits normal plant oxidation, maintaining product potency and extending feshness. It includes all-natural antioxidants in each capsule, oxygen-absorbing packets in each bottle, special air-tight seals and amber glass packaging for uncompromised quality. Unconditional product guarantee. Nature's Herbs unconditionally guarantee this completely natural product to your satisfaction.