Made with balsamic vinegar & wine. Since 1852. Balsamic Sophistication: Plochman's stone ground mustard is the base for this savory-sweet concoction. Give some balsamic-infused flavor to roasted meats, vegetables, sauces and more. No msg. Gluten free. Produced with genetic engineering. Question or comments? Call 800-843-4566. Made in USA.