Kefir Grains – Kefir Health Benefits
In 1908, Metchnikov wrote in his book “The extension of life” that this key to longevity located in the Russian Caucasus Mountains was Kefir. Kefir is in fact cultured milk that people made and consumed. The villagers with the Caucasus Mountains gave us the Caucasian yoghurt and kefir (milk fermentation product). Kefir history extends back