This is made from the Mangosteen Enzyme, rich with Xanthones and antioxidants, which is then further fermented to create a vinegar. You can consume 1 tablespoon a day, similar to Apple Cider Vinegar. It can also be used to create a salad dressing or added to drinks like juices. It is best to store it away from direct sunlight and can be stored at room temperature. Each bottle is approximately 325ml. This product is not available by mail order.