All natural. Non-irradiated. Fresh flavor. Mustard is an annual herb native to Asia. Mustard Seeds re used in pickling spice and to flavor eggs and beets. When the dry powdered Mustard is moistened with water, a strong aroma and sharp tart flavor emerge. Its uses are many, and it adds a great flavor to many foods. Try it in a caesar salad. Enjoy in good health! We have searched the world over to bring you the freshest, highest-quality spices and herbs available today. Our spices and herbs are all-natural with no fillers, no anti-caking agents, no preservatives, and no coloring added - just natural, high-quality spices and herbs that will make cooking and eating exciting adventures. Used properly, spices and herbs can enhance the natural flavors of foods and bring new meaning to joyful cooking and dining.