13 January 2018 Commercial Kefir13 January 2018 Commercial Kefir Tested some commercial kefir to see if the claim of live bacteria cultures was valid. A tablespoon of the kefir was mixed with 400 ml of whole milk and allowed to ferment for about 40 hours at 20C. Kefir grains formed indicating the culture was alive an well. This is probably the method to use the commercial kefir to harness the full probiotic benefits.
