A Guide to Choosing Healthy Fermented & Cultured Foods Cultured, or naturally fermented foods are very traditional foods, having been consumed by our ancestors throughout the ages Vegetables (sauerkraut, kimchi, etc), fruits (chutneys and preserved fruits), beverages (water kefir, kombucha, beet kvass, etc), grains (sourdough bread), dairy products (dairy kefir, yogurt, crème fraiche, sour cream,