A truly natural kvass produced by live fermentation. It is made according to classical technique where the production process starts from barley and rye malting. Only natural ingredients are used for kvass production. These are crystal clear water, barley and rye malt, yeast and sugar. Kvass by Obolon has a pleasant sweet-sour taste and rye bread flavor. This beverage positively affects digestion, improves general metabolism and functioning of the cardiovascular system. kvass is a perfect refreshing drink during the summer heat and contains useful vitamins and microelements.