Get hydrated with this earthy drink. Beet Kvass is a effervescent lactic acid fermented beverage the ginger making it even more effervescent. It can be consumed as a tonic drink, or used to make a vinaigrette dressing or use over cooked greens. Beet ginger kvass, like other lactic acid fermented drinks, is best consumed in relatively small amounts. It is considered a tonic drink, due to the many health benefits from nutrients, enzymes and beneficial organisms in it. Folk medicine values beets and beet kvass for their liver cleansing properties and beet kvass is widely used in cancer therapy in Europe. Anecdotal reports indicate that beet kvass is an excellent therapy for chronic fatigue, chemical sensitivities, allergies and digestive problems.