Optim-Aged Balsamic (OAB) is an all-natural, no preservative Optim-Aged Balsamic Vinegar comparable to 50 to 75-year-old aged balsamic. If you are familiar with high quality 50-75 year aged balsamics, you know the magic, and why it typically costs $300 to $500 for a small bottle. Improving the aging process still only produces a few bottles of OAB from each starting Read more...