kvass fermentation dark 1.4L
Kvass has a history of nearly 1,000 years in Eastern Europe. It is a fermented beverage called "liquid bread", which tastes similar to beer and has a benign effect of promoting digestion and relieving constipation.
Real fermented kvass
Kvass is rich in vitamins B, E, PP, trace elements and amino acids. It perfectly quenches thirst and has a tonic effect.