Healthy and active live milk kefir grains! Milk kefir is a powerful probiotic with many health benefits such as aiding digestive issues and protecting against cancer and osteoporosis, as well as allergies and asthma. It produces a low in lactose, yogurt-like drink that can also be used to culture other fermented foods. Use it instead of milk in baked goods for amazing texture and moistness or even as a substitute for sourdough starter! Very easy to use and can last a lifetime or longer. You will receive a tablespoon of healthy active grains that have never been frozen or dried. Enough to culture four cups of milk a day. You can also easily convert them to water kefir grains if that's your preferred beverage. Comes with detailed instructions.