Bionaturae Organic Balsamic Vinegar is made by one Modenas oldest family of producers, who for generations has preserved the antique traditions that make balsamic vinegar so unique. In Keeping with tradition, our vinegar is made from Trebbiano and Lambrusco grape must. We use only certified organic grapes. Enjoy the distinct, sourly sweet flavor of our balsamic vinegar along with bionaturae Organic Extra virgin Olive Oil.Although naturally occurring sulfites are present in grapes, we add no sulfites or other additives to this product.