vas is an ancient traditional Russian drink,
which doesn't only quench the thirst, but
can also be used as a treatment for diseases.

ermented kvas is a nourishing product
which stimulates the processes of digestion
and metabolism, promotes the redox process
and normal accumulation of salt in bones.
In days of old kvas was even used to treat
scurvy, gastrointestinal and other disorders.
It also improves cardiovascular activity and
helps to regulate the central nervous system.