Unlike ordinary yogurts with only a few strains, this advanced GcMAF probiotic yogurt kit delivers 42+ beneficial bacteria and lactic yeasts, combined with organic bovine colostrum and trace minerals, to naturally produce GcMAF-active fermented yogurt at home. https://www.gcmafproducts.com/store/p35/www.gcmafproducts.com/store/p17/GCMAF_YOGURT_KIT_1ltr.html.html