Starwest Botanicals White Oak Bark Powder Organic - Dried Herb for Tea & Natural Herbal Blends, Pure Quercus Alba, Certified Kosher, Non-GMO - 4 oz Pouch
WHITE OAK BARK POWDER ORGANIC, Botanical Name: QUERCUS ALBA, Origin: United States, USDA ORGANIC, WARNING: Topical use is cautioned in extensive cases of eczema or skin damage