This powder is made from dehydrated celery stalks, leaves, or juice that has been ground into a powder. It has an herb-like and savory flavor like celery and, like salt, is a natural flavor enhancer. It is naturally rich in calcium, fiber, as well as vitamins K and C. Cooking Notes Is excellent in potato salad, sauerkraut, and salad dressings. Add to soups, sauces, and savory dishes for extra flavor and nutrients. Can be used as a preservative, but is not always recommended by the FDA.