BEET KVASS WITH GUARDS 12 PIECES Fermented foods or drinks - the best friend of a strong immune system and a great way to keep your digestive system in good shape. I have previously shared probiotic pickles and water kefir (milk kefir is a drink we are already very familiar with). Now I would like to share how to make kvass, which is mostly preferred in Eastern European countries to strengthen the immune system. Kvass, made mainly with beetroot, is one of the healthiest drinks with its slightly sweet taste and smooth drink. beetroot juice with scales kvass 250ML X 12 pcs