Originally Posted by
Harrie
I may also be wrong, but my understanding is that A2 is not promoting the idea that it is lactose free, rather that it is bcm-7 free which has yet to be scientifically proven "beyond doubt" to have health downsides. (not enough anyway to make it into a public health warning).
Whilst not undeniably proved, there is a large body of anecdotal evidence supporting the health benefits of A2.
In addition no one has actually proven either, that the bcm-7 found in A1 beta casein is not associated with any detrimental health issues!