KeVita Herbal Spritzers are a cool, cozy collective of herbal yet subtle spritzers fermented with water kefirWater kefir is a lightly effervescent water based drink that is made by fermenting kefir culture grains in water with sugar. Water kefir grains do not contain grains such as wheat, they are a unique culture. Cultures that are used to ferment dairy kefir are a different strain. Fermented water kefir is the base of all of KeVita’s Sparkling Probiotic Drinks, Apple Cider Vinegar Tonics and Prebiotic Shots. culture that sparkle with flavor & billions of live probiotics.