Black Walnut, Juglans nigraBlack Walnut, Juglans nigra. Excelsior Alchemy: Vegan, Organic, Kosher, Non-GMO, Gluten-Free, cGMPPost navigationPrevious post: Black Walnut, Juglans nigra Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName * Email * Website Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.