No preservatives. No added sugar. No vinegar. Non GMO Project verified. nongmoproject.org. It's the cloudy brine that makes it Bubbies. Bubbies traditional cloudy brine contains no vinegar and preservatives are never used to achieve our pure kosher taste. Bubbie turns cabbage in her famous sauerkraut. Because it is gluten-free and absolutely delicious. Fermented with naturally present cultures. Est. 88. For more information go to www.bubbies.com. www.bubbies.com. Product of Canada.