Prickly Ash Herbal Extract Tincture, Super-Concentrated Prickly Ash (Zanthoxylum Clava-herculis) Dried Bark * Liquid Herbal Extract * Menstruum Ratio 1:3 * Dietary Supplement * Made from the premium quality raw material for the highest results. * Potent 1:3 herb to solvent ratio guarantees that all the qualities of the herb are fully protected. Product Description: Prickly Ash bark (Zanthoxylum Clava-herculis) is the bark of the Prickly ash tree, also known as Northern prickly ash. It grows throughout the United States and Canada and has been used by Native peoples since antiquity. All of its nutrients and active substances are present in the bark and are extracted to be used in herbal medicines against various health issues.