Most people know the good hype of using yoghurt because of the many good bacteria. The bacteria found in yogurts at your local store are good but not great as they dont have many strains of probitics usally 1 to 4. Special yoghurts are available that produce gcmaf these are https://www.gcmafproducts.com/store/p53/MAF_ONE_EASY_TO_PREPARE_NON_DAIRY_MAF_PROBIOTIC_DRINK_1_LTR.html