Is there resveratrol in balsamic vinegar?

Yes, balsamic vinegar contains resveratrol, a natural antioxidant found in the skin of red grapes. The amount of resveratrol in balsamic vinegar can vary depending on the grape variety used, the production process, and the age of the vinegar. However, studies have shown that balsamic vinegar can contain significant levels of resveratrol, comparable to or even higher than red wine.