poseymom fresh live milk kefir grains...expedited shipping available poseymom live whole milk kefir grains kefir grains are a living culture, a complex symbiosis of more than 30 micro flora that form grain structures in milk. as the kefir grains ferment the milk they grow, creating new grains in the process. kefir milk from live grains is an endlessly self-propagating process. you will receive 1 heaping teaspoon of live active milk kefir grains plus strater kefir milk... that is enough to make a full 8 oz every 12 hours....our milk kefir grains are cultured in whole milk. instruction via our web site