Kefir is a powerful probiotic beverage that is similar to yogurt in taste and appearance, but contains far greater numbers of probiotic cultures.
It does wonders for the digestive system and studies are showing it may have immune boosting and anti-carcinogenic properties.
The starter culture for kefir is called "kefir grains" and is made from symbiotic bacteria and yeast (The good kinds)
The grains multiply as you make kefir so they are a one time purchase. As they multiply you can share them with friends and family. Once you have the grains the only cost to make kefir is the milk used. In comparison, commercial kefir in the supermarket is $3.50+/bottle and contains fewer live cultures than homemade kefir.
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